1. Math

    Pages in a book are numbered in typical fashion, starting with 1. The folio for page 10 will contain the tenth and eleventh digits necessary to paginate the book. On what page will the 2009th digit occur? Please Help!!! I have no idea where to begin
  2. Math

    I am a a seven-digit number my millions place is 5. My ten thousands and hundreds place is the difference between my millions place and hundreds place . And my remaining place value is 0 what number am l ?
  3. chemistry(can anyone help me with this)

    Which of the following is NOT true? A. Except for absorbance, most measurements contain significant figures and units. B. All numbers should be recorded from a digital readout. C. The uncertain digit is estimated between the last two markings. D. If an average of 4 trials is ...
  4. math

    how often does a leap year occur? what are al the prime numbers less then 12. what is the eighth multiple of 32? is the last digit of the multiples if 4 odd or even? what are the six factors of 12? what are the factors of 16. two factors of 20 are 1 and 20. what are the four ...
  5. MATH *IMPORTANT

    HOW MANY SETS (A,B,C) OF THREE DIFFERENT,POSITIVE SINGLE DIGIT INTEGERS HAVE THE PROPERTY THAT A SQUARED + B SQUARED + C SQUARED IS A PERFECT SQUARE? please help me with this one a soon as possible its very important and i don't even know where to start!!
  6. Probability

    The serial number on a $10 bill contains eight non-zero digits. If your $10 bill contains the digit 7 at least once, you win a prize. The probability that your $10 bill will be a prize-winning bill is what?
  7. Probability

    The serial number on a $10 bill contains eight non-zero digits. If you $10 bill contains the digit 7 at least once, you win a prize. The probability that your $10 bill will be a prize-winning bill is?
  8. math

    in the addition problems below each leter represents the same digit in both problems. Replace each letter with a different digi, 1-9, so that both addition problems are true.(there are two possible answers.) A B C A D G +D E F +B E H ------ ------ G H I C F I
  9. MATH

    A bike club wants to make license plates for bikes. Each license plate has a letter followed by a digit. How many different license plates can be made?
  10. medical billing

    the file clerk discovered a medical record placed incorrectly in the permanent files by checking for _____ in the last set of two-digit numbers in the medical records numbers.
  11. maths

    i am trying to solve 4/x-2>5. i use calculator and mistakenly type of digit if other than 5. when i type in the problem ,so i get the wrong solution my answer was 2<x<y. what did i mistakenly type in?
  12. CHEM 1LB

    Which of the following is NOT true? A. The uncertain digit is estimated between the last two markings. B. Except for absorbance, most measurements contain significant figures and units. C. All numbers should be recorded from a digital readout. D. If an average of 4 trials is ...
  13. math

    I'm having problems with subtracting 10 digit math problems.Can you give me any websites?
  14. math

    first multiply first 2 digits, wrire answer side by then multiply1st and 3rd digits write answer next to earlier answer. Then add both answers and minus middle digit of the question
  15. 6th grade math

    If a card contains the number 47229 and mrs.s picks a 7, the card is worth 7000 points. If she picks a 2 its worth 220 point. Ashley has these cards 49298 83483 43281 If mrs.s pick a 3 how many points will she have? What digit will make he have the highest score possible?
  16. math

    Tyler used 2989 digits to number the pages of a book. How many pages does the book have? I know that pages 1-9 use 1 digit, total number is 9 Pages 10-99 use 2 digits, total number is 180 Pages 100-999 use 3 digits, 900 pages= 2700 with 25 extra pages Can you help me from here
  17. Math

    I need some help please Determine the least four digit number that is divisible by 2,3, and 5. Explain your reasoning. Explain how you know that 123 123 123 900 is divisible by 2,3,5,9, and 10. How do you know that it is also divisible by 6.
  18. College

    Three(3) digit numbers can be formed from the digits 0,1,3,5,7 and 8. How many numbers can be formed without repeats. (A) if the 3 digits numbers must be divisible by 5. (b) if the 3 digits number must be a multiple of 2
  19. java

    Write a program that reads a five digit integer number from the keyboard, and then constructs the largest possible integer number with the digits of the entered number. Your program should have only one class , which implements the standard method.You are not allowed to use ...
  20. distrective matematics

    How many 3-5 character passwords are there if each character is either an uppercase letter A-Z, a lowercase letter a-z, or a digit 0-9, and where at least one character of each of the three types is used?
  21. algebra

    6RS +RR4 PQPQ P,Q,R and S represents four different digits. what digit does S represents? (A)1 (B)2 (C)5 (D)6 (E)8 I think the answear is 6 but now sure. Am i correct? How do you figure this problem? The answer is (E)8. The rest of the letters are as follows: P = 1, Q = 2, and...
  22. Medical Records

    I want to make sure I am correct.Can you check this for me? We need to have this in Middle Digit Order. I know I start with my primary. 534-01-38 535-01-38 536-01-38 534-10-36 222-10-37 534-10-38 600-11-37 535-11-38 Assignment due tonight
  23. Math

    * How many different odd 3-digit numbers can be formed using the digits 1,2,3,4,5 if none the numbes have repeating digits? * A bus having a seating capacity of 45 people is 80% occupied. When the bus stops one -third of the people get off and 3 people get on the bus. The bus ...
  24. Math

    I am thinking of a three-digit number. If you subtract 5 from it, the result is divisible by 5. If you subtract 6 from it, the result is divisible by 6 and if you subtract 7 from it, the result is divisible by 7. What is the smallest number that will satisy these conditions?
  25. math

    Please help, 1) How do you solve 2017^2017 without a calculator? 2) What is the last digit of the solution to this problem: 2017^(2017^2017)? Thank you!
  26. Math

    How many 2-digit numbers have two different even numbers and odd numbers?
  27. probstats

    A 5-digit PIN code cannot begin with zero and the remaining digits have no restrictions. If repetition of digits is allowed, then what is the probability that the PIN code begins with a 7 and ends with an 8?
  28. Math

    Each letter in the subtraction problem below represents a different digit from 0 through 9.The digits 3 and 5 don't apear. replace each letter so the subtraction problem is true. GRAPE - PLUM =APPLE
  29. Algebra I

    Write each percent change as a ratio comparing the result to the original quantity. Then write it as a constant multiplier. Book's example: 3% increase, 103/100, 1+0.03 I don't understand double digit numbers. The one that I have to solve is an 11% decrease. Tips, hints-...
  30. maths

    Set S contains the elements = { 1, 2, 3, 4, 5, 6, 7, 8}. From this set, John takes sets of 6-digits each and sums all the possible 6-digit numbers that can be formed with those sets. What is the HCF of all these sums?
  31. Math

    Build a 9-digit numeral write 2 in the hundreds place 5 in the ten thousands place 7 in the millions place 6 in the hundred millions place and 3 in all other places
  32. math: probability

    A locker combination has three nonzero digits, and digits cannot be repeated. If the first two digits are even, what is the probability that the third digit is even?
  33. Pre calculus

    bit strings of a fixed length are needed to form a code. what is the minimum length of the string is one string is needed to represent each letter of the alphabet and each decimal digit?
  34. scientific notation

    how can i put 10010 into a scientific notation We want the first digit from the left followed by a decimal then some power of 10 Here it's 1.001 x 10^?? How many decimals did we move to the left?
  35. Algebra

    The first element of a geometric sequence is 1 and the common ratio is 3; determine the smallest 4 digit numeral that represents an element of this geometric sequence
  36. math

    let A be defined as the set of all two digit integers that are more than 20 and let P be defined as the set of all prime numbers .how many numbers are there that belong to both these sets? 1.13 2.17 3.21 4.25 explain the ans please
  37. follow up(for Count Iblis)

    i have a follow up question for a previous post How do you know 2B is (20 "+" B) and not (2 "x" B) _______________________________________ to me this question does not make sense... it comes from a review packet for the SAT _______________________________________ Q: If 299 is ...
  38. Math

    Hi! Can someone check my answers? Thanks!! Directions: Tell whether the following questions are either permutations or combinations. 1.) Number of ways the Junior class can elect a committee of officers - President, Vice President, Secretary and Treasurer. (my answer: ...
  39. Math

    Hi! Can someone check my answers? Thanks!! Directions: Tell whether the following questions are either permutations or combinations. 1.) Number of ways the Junior class can elect a committee of officers - President, Vice President, Secretary and Treasurer. (my answer: ...
  40. math

    i really need to know what.... 4 to the power of 77 is... 477 = 2.28360 x 1046 according to my calculator. i don't know how to do factors with two digit numbers. Please click Post a New Question, put Math in the subject line, and post your question. It would help if you gave ...
  41. Algebra 2

    Telephone numbers are made of 7 digits. Digits can be repeated but the first digit cannot be 0 or 1. How many different telephone numbers can be created? I believe you use combination function, but I am not sure how and where.
  42. Algebra

    I have to write each of the following percent change into a ratio comparing it to the original quantity. Then I have to write it as a constant multiplier. This is the example in my book: 3% increase, 103/100, 1+0.03 So I understand how to do single digit numbers, like 8, but ...
  43. Math

    Which digit is in the thousandths place am confused by the 0 but I believe the 8 is in the thousandths place.
  44. Math

    My 7th grade daughter has the following math problem and gets zero help from her "language arts" teacher who gave out this problem: WANT X BE ________ CAREER Each letter in this question stands for a 1-digit #. No 2 letters may stand for the same #. Find the value for each ...
  45. Math

    Ms.Smith wrote the division problem shown below, using a box to represent the missing digit. What value can replace the box in the quotient to complete the division problem? 132 divided by 12 and i got 11 but does 11 answer the question or do i put 1 for the value left?
  46. Math

    Write the value of the underlined digit. 37,295,810 Underline number(7) Answer: 7,000,000 496,021,795 Underline number (first 9) Answer: 90,000,000 638, 912,004 Underline number(6) Answer: 600,000,000 385,526 Underline number (second 5) Answer: 500 Write each number in word ...
  47. Critical Thinking/Math

    Please help me with the following problems... 1) How many ways can you make a change for a quater using an unlimited source of nickels, dimes, and pennies? 2) How many doubled digit numbers can you make with a least two identical numbers from 2-200. Not including 2 and 200. ...
  48. Science

    The sensitivity of a measuring instrument is the value of the smallest quantity that can be read or estimated with it. What is the smallest part of a centimeter that can be read with the following? (a) a meterstick with markings at each millimeter I tried .01 mm .05 mm .1 mm ....
  49. maths

    what is 45,429,444 to the nearest hundred-thousand? Hundred thousand digit... XX,YXX,XXX so would it be 454 hundred thousand?
  50. maths class 6

    1. JUGGLING NUMBERS From old newspapers cut out digits 0 to 9 and stick them in a creative manner. Make sure the digits are not too small. Juggle the digits to make the numbers described below. The challenge is you can use a digit only once in a number. 1) Make the smallest ...
  51. Math

    1. JUGGLING NUMBERS From old newspapers cut out digits 0 to 9 and stick them in a creative manner. Make sure the digits are not too small. Juggle the digits to make the numbers described below. The challenge is you can use a digit only once in a number. 1) Make the smallest ...
  52. Data managment math

    1:There are 7 seats in the family new van. if 4 of the 7 family members can drive,how many possible seating arrengements are there for a family trip in the van? 2:How many even five digit numbers can be formed using only the numbers through 1 and 7?
  53. Precalculus

    1. permutation or combination: how many schedules are possible if you need to choose 5 events out of 20 for a vacation? Is it permutation?? Answer is 1860480? 2. a. How many area codes are possible ( the 3 digit number can't start with a 0)? 504? b. How many area codes start ...
  54. Math

    Each letter in the subtraction problem below represents a different digit from 0 through 9. The digits 3 and 5 do not appear in the problem. Replace each letter so that the answer to the subtraction problem is correct. GRAPE - PLUM ________ APPLE Why would you want someone to ...
  55. math

    2)How many arrangements of the integers 1,2,3,...,n are there such that each integer differs by one (except for the first integer) from some integer to the left of it? Let's construct the arrangement. First consider 1, it can only have two placed next to it so it has to be at ...
  56. scientist

    hi i am doing a science fair project.The project is testing memory. The problem is i am not sure how to give the memory test. the article that i found says to give the people that im doing the project on single digit numbers then double digits, but im not sure how to construct...
  57. Math110

    how many 6 - slots codes can be made up using 2 letters followed by 2 digits followed by 2 letters where All of the following conditions must be met: a. the allowable letters are A through G b. the allowable digits are 2 through 7 c. no digit can be repeated
  58. MATH PROBLEM

    -One revolution of the Sun by the Earth requires 365 days, 5 hours, 48 minutes and 49.7 seconds. the 5 hours, 48 minutes and 49.7 second is approximated to 1/4 of a day. Every 4th year, one full day is added( leap year). How much of an error in minutes and seconds does this ...
  59. Algebra 2

    Question is about Step Functions:(between" " are all floor functions. The formula W=d+2m+"(3(m=1)/5)"+y+"y/4" -"y/100" + "y/400" + 2 gives the day of the month of the given date; m = the number of the month in the year with January and February regarded as the 13th and 14th ...
  60. math

    A random digit dialing phone survey asked, how many of the last ten traffic lights you drove through were red. Of 880 respondents, 171 admitted at least one light had been red. What is likely direction of the bias: More or fewer than 171 really ran a red light? Why?
  61. maths

    i am a seven digit my ten place is 3,my lakhs place is 2,the hundred place is twice the lakhs place,the thousand place is thrice the ten place ,the ten lakh place is 3 less than the thousand place,the one place is 2 less than the thousand place,the ten thousand place is 8
  62. Math

    A block is a consecutive sequence of the same digit that is not part of a longer such sequence. a.) Determine the number of sequences of 0's and 1's of length 10 in which every block of 1's has an even length. b.) Determine the number of sequences of 0's and 1's of length 10 ...
  63. Math

    please if anyone could help me with this question: 1. A class paid $20 for a cake and $4 per child for one slice of cheese pizza. they paid $140. how many children are in the class? 2. Rajie want to divide 24 peanuts, 64 raisins, and 56 apricots evenly into packets (with 0 ...
  64. algebra

    Beginning with cars made in 1981, all vehicles must contain a 17-digit Vehicle Identification Number (VIN). The first 3 positions must be letters or numbers, position 4 and 5 must be letters, positions 6 and 7 must be numbers, position 8 can be a letter or a number, position 9...
  65. high school

    Use the digits in the year 2010 and the operations +, -, x, ÷, sqrt (square root), ^ (raise to a power), and ! (factorial) — along with parentheses, brackets, or other grouping symbols — to write expressions for the counting numbers 1 through 100. All four digits must...
  66. Subtracting 3 digit numbers

    Jill is going on a trip from chicago to omaha to tulsa.Bill will travel from dallas to omaha.How much farther will jill travel than bill?
  67. Math

    The AC voltage coming out of a standard wall plug in the United States can be expressed as the function V(t) = 120sin(120*pi*t), where t represents time (in seconds) and V is the voltage. We will let t be greater than or equal to 0 for simplicity. A. Make an accurate sketch of...
  68. Algebra - Middle School

    Use the digits in the year 2010 and the operations +, -, x, ÷, sqrt (square root), ^ (raise to a power), and ! (factorial) — along with parentheses, brackets, or other grouping symbols — to write expressions for the counting numbers 1 through 100. All four digits must be ...
  69. math

    1.twice a number is 6 2.four added to a number gives ten 3.twenty five decreased by twice a number twelve 4.if thrice a number added to seven,the sum is ninety eigth 5.the sun of the squares of a number x and 3yields 25 6.the difference between thrice a number ang 9 is 100 7....
  70. Chem

    How many moles of hydrogen and oxygen are in 2 moles of water? water: h2o # of molecules = (6.022 x 10^23)(2)= 1.2044 x 10^23 # of hydrogen atoms = (1.2044 x 10^23)(2)= 2.4088 x 10^24 # of oxygen atoms = 1.2044 x 10^24 Did I do this correctly? What do I do about significant ...
  71. maths

    invaders put a six digit number into the display. you must change each of the six digits to zero in as few turns as possible. on each turn you can use only one number key, the zero key as often as you like and the + key. Example: start number: key presses: display: 123,456 +4 ...
  72. Math

    ~~~~WARNING HARD MATH~~~~ An integer from 100 to 999, inclusive, is to be chosen at random. What is the probability that the number chosen will have 0 as at least 1 digit? Multiple Choice: Underline or circle the letter that best solves the question. a) 19/900 b)81/900 c)90/...
  73. algebra

    find the equations that represent the graph below. i know how to find the slope but this graph gives me numbers in hundreds for the vertical axix. and one-digit numbers for horizontal axis how do i find the slope if its like that?
  74. java.please help

    Write a Java program that prompts the user for a string. If the string entered by the user does not start with Hello and does not end with a digit, print incorrect and re-prompt the user. Otherwise, print Thank you.
  75. discrete math

    Q: Count the number of passwords with following constraints. Assuming digits = {0, 1, …..9}, letters = {a, b, ….. y, z} (a) 5 characters which are digits or letters. (b) 4 characters which are digits or letters, with at least 1 digit. (c) 4 characters which are digits. ...
  76. discrete math

    Q: Count the number of passwords with following constraints. Assuming digits = {0, 1, …..9}, letters = {a, b, ….. y, z} (a) 5 characters which are digits or letters. (b) 4 characters which are digits or letters, with at least 1 digit. (c) 4 characters which are digits. ...
  77. Calculus and quadratic equations

    Peter the punter decided to place $10,000 into a high growth share portfolio. After 3 weeks his investment was looking rather sad, with the value of his portfolio falling $2,025. Unperturbed, Peter stuck with his original plan to hold the stock for at least 6 months. But after...
  78. Math

    An old book listed that 72 turkeys were bought for $\$\square.\square\square$ each, at a total cost of $\$\square 67.9\square.$ What was the cost of each turkey, if each $\square$ stands for a digit that was unreadable in the old book? Note: The $\square$ digits are not all ...
  79. math

    My locker combination has three digits. None of the digits are zero. What is the probability that the first digit of my locker combination is less than 4?
  80. Math

    My locker combination has three digits. None of the digits are 0. What is the probability that the first digit of my locker combination is less than 3?
  81. math

    What do we call the numbers that cannot be arranged into 2-row arrays? I don't know exactly what you mean. Perhaps single-digit numbers, such as 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9 -- ?? ?? Does anyone know the answer to my question? we call them odd numbers as in 1, 3, 5 etc, we...
  82. Math

    A license plate consists of 3 letters followed by 2 digits. How many license plates are possible if the 1st letter cannot be I nor O, the 1st digit cannot be 0, and no letters or digits may repeat? a) 1,080,000 b) 1,166,400 c) 1,757,600 d) 1,460,160 e) 1,152,000
  83. 5th grade math

    write the following expanded notation in standard form. 600+50+4+0.2+0.07+0.009 ?? Build a 4 digit numeral. write 3 in the hundreths place 4 in the tens place 6 in the ones place,and 9 in the tenths place . ___ ___ ___ ___ please !help me with these to problem so, i can do the...
  84. math

    Can you check my answers please? Thank you Ben is greeting customers at a music store. Of the first 20 people he sees enter the store, 9 are wearing jackets and 11 are not. What is the experimental probability that the next person to enter the store will be wearing a jacket? ...
  85. motion problem (please check)

    A 8000N car is traveling 12 m/s along a horizntal road when the brakes are applied. The car skids to a stop in 4.0s. How much kinetic energy does the car have. my work: W= 8000N/9.18m/s mass= 815.49 kg Kinetic energy= (1/2mv^2-1/2mv^2) kinetic energy=1/2 (815.49)(0)^2 - 1/2 (...
  86. Math

    My worksheet title reads "Modeling 3-Digit Addition Practice" and then it has the problem 186+245 and then it has a table with four colummns and 3 rows the first column title reads "Base-Ten Drawings" the second one reads "Record the Problem" and the third one reads "Write ...
  87. Math

    Typically, 10% of students make a D on their tests, 60% make a C on their test, and 30% make an A. Mrs. Smith uses a random-number table to find the experimental probability that of 5 students', at least 3 will make a C. The digit 0 represents students who make a D. The digits...
  88. Maths - Pigeon-hole principle

    Using the Pigeon-hole principle... 91 five-digit numbers are written on a blackboard. Prove that one can find three numbers on the blackboard such that the sums of their digits are equal.
  89. 5th math

    I need help with my math .What is the least Common Multiple (LCM) for 6,4,and 8.? please! show how you get the answer. cause, i got( 2,2,2) i'm not sure of myself at all. thank you! another one problem i'm really confuse is the Write a 9- digit numeral with 3 in the hundredths...
  90. Math Probability

    Ben is greeting customers at a music store. Of the first 20 people he sees enter the store, 9 are wearing jackets and 11 are not. What is the experimental probability that the next person to enter the store will be wearing a jacket? Enter your answer as a simplified fraction. ...
  91. math

    Suppose a license plate contains four digits.The probability of a license plate having an even or odd digit is the same.What is the probabilty of having a license plate with all even digits.
  92. Math

    1. Daniel wants to save at least 20 dollars by putting pennies in a jar daily. On first day, he puts one penny into the jar. The second day he puts 2 pennies into the same jar. On the nth day he pus n pennies into the same jar. Which day is the first day on which he has at ...
  93. Maths Probability

    Suppose that you move to a new house and you are 10% sure that your new house's phone number is 561290. To verify this, you use the house's phone to dial 561290, obtain a busy signal, and conclude that this is indeed your phone number. (Suppose that you were incorrect, and ...
  94. Quadratic Functions and Calculus

    Peter the punter decided to place $10,000 into a high growth share portfolio. After 3 weeks his investment was looking rather sad, with the value of his portfolio falling $2,025. Unperturbed, Peter stuck with his original plan to hold the stock for at least 6 months. But after...
  95. Probability

    Suppose that you move to a new house and you are 10% sure that your new house's phone number is 561290. To verify this, you use the house's phone to dial 561290, obtain a busy signal, and conclude that this is indeed your phone number. (Suppose that you were incorrect, and ...
  96. Probability

    Suppose that you move to a new house and you are 10% sure that your new house's phone number is 561290. To verify this, you use the house's phone to dial 561290, obtain a busy signal, and conclude that this is indeed your phone number. (Suppose that you were incorrect, and ...
  97. Math

    Audrey is thinking of a number. If the number is divided by 3 and added to 12, the result is 29. Of which number is Audrey thinking? A.63 B.54 C.51 D.44 C? Look at the number tiles below 279 Which group of numbers shows all 3-digit numbers that can be made with these digits? A...
  98. Math

    When a telephone exchange is established, there are 10,000 new phone numbersto use(i.e. 722-0000 to 722-9999). Of these 10,000 phone numbers, how many do not contain the digit "9"? I know I can do it this long way, but how do I do it in a shorter more reliable way. 722-0000 ...
  99. math

    I need to determine the value of eah underlined digit and its place value. 42,107,000 472,336 It should be the 2 in 42,107,000 4 in 472,336 Please tell us what you think those place values are. http://csd.k12.nh.us/~mdeno/images/pvchart.gif Here's a place value chart that ...
  100. math

    i posted this one a ways down, i apologize for double posting, but thought this might be a better way to ask. question:if you write the numbers from 1-999 on a piece of paper, (1234567891011121314151617181920...998999) what will the 2006th digit from the left be? so my thought...
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