1. math

    1. a door code is made up of six unique digits the last digit is 8. 2.oddd and even digits alternate(o is even) 3.the difference of the adjacent is always bigger than 1. 4.the first 2 digits (reads as one number)as well as he two middle digits(as one number) are multiples of ...
  2. Math

    Determine the number of combinations on a bicycle lock that has a 3-digit number combination with only 3 numbers where the numbers can be repeated to open the lock
  3. math 1350

    Find the three digit number that satisfies the following conditions: . Has a factor of 3. . Has a factor of 5. . Has a factor of 7. . All digits are prime. Describe the thinking process you went through to solve this problem.
  4. probability please help!!

    A fair, six-sided die is rolled eight times, to form an eight-digit number. What is the probability that the resulting number is a multiple of 8? Express your answer as a common fraction. I think the last 3 digits have to be divisible by 8 to be a multiple of 8...
  5. Maths

    The Sentosa High School's telephone number is an eight digit number. The sum of the two numbers formed from the first three digits and the last five digits respectively 66558. The sum of two numbers formed from the first five digits and the last three digits is 65577. Find the...
  6. Kaputian samal Central

    The zoo hot some new giraffe. The zookeeper asked the helper to deliver one bucket of food to each new giraffe. The zookeeper gave his helper some clues about how many new zebras needed food. Here is the clue . There are more than 15 but fewer than 25. It is an odd number. The...
  7. math

    The sum of the digits of a 2 digit num is 15 then the num obtained by reversing the digits exeeds the given no by 9. find the num
  8. math

    a 3 digit number which tens place is 2 more than the ones place and the hundreds place is 7.
  9. math

    Using only the numbers 8,1,4,7, and 3, if the product of two 2-digit numbers, plus a number, is 3,355, what are the numbers??????
  10. math

    if i have a book of 30 pages and i want to number each pages what will be the digit for the thirty pages
  11. probability - confused

    A fair, six-sided die is rolled eight times, to form an eight-digit number. What is the probability that the resulting number is a multiple of 8? Express your answer as a common fraction. I think the last 3 digits have to be divisible by 8 to be a multiple of 8...
  12. MTH LIBERAL ARTS

    Evaluate the expression. Determine the number of combinations of 7 things taken 4 at a time. & Mark can remember only the first 4 digits of his friend's phone number. He also knows that the number has 7 digits and that the last digit is not a 0. If Mark were to dial all of the...
  13. finite math

    Suppose that a 4-digit pin number is to be formed with the digits in {0, 1, ,2 ,3 ,4 ,5, 6, 7, 8, 9}. What is the probability that the pin number contains at least 3 odd digits
  14. ijhs

    The difference between a two-digit number and the number obtained by interchanging the positions of its digits is 36. What is the difference between the largest and the smallest of these two digits?
  15. college

    if a license plate consists of 2 letters followed by 4 digits, how many different plates could be created having at least one letter or digit repeated? I know its not 6,760,000
  16. Algebra 2

    Using the integers 2,3,4,5, How many 3-digit odd numbers less than 300 can be formed if no repetition of digits is allowed? Please explain and show work.
  17. Algebra

    Using the following six digits, 1, 2, 4, 6, 8, and 9, fill in the blanks below to make the maximum product that you can. Use each digit only once. How does an understanding of place value help determine the best solution to this problem?
  18. Math

    Can someone please help me with this question? Find all values of the missing digit that makes the statement true: 4, 3, ... 0 is divisible by 6. My answer which I don't think is right is: 2, 5, 8. Is this correct? Thanks.
  19. Math

    Find the unknown digit to make the sentence true 2.48>2.4__ 1>2.463 5.723<5.72__ <5.725 7.64<7.___ 5<7.68
  20. Algebra 2

    Using the integers 2,3,4,5, How many 3-digit odd numbers less than 300 can be formed if no repetition of digits is allowed? Please explain and show work.
  21. math

    to me this question does not make sense... it comes from a review packet for the SAT _______________________________________ Q: If 299 is divisible by 2B, and B represents a positive digit, what is the value of B? a.) 2 b.) 3 c.) 4 d.) 6 e.) 9
  22. Algebra2...........

    Using the integers 2,3,4,5, How many 3-digit odd numbers less than 300 can be formed if no repetition of digits is allowed? Please explain and show work.
  23. math

    Using the following six digits, 1, 2, 4, 6, 8, and 9, fill in the blanks below to make the maximum product that you can. Use each digit only once. How does an understanding of place value help determine the best solution to this problem? __ __ __ x __ __ __
  24. 4th grade math

    My math problem is Round each number to the place of the underlined digit. 2,399,001 and the nine beside the three is underlined.
  25. math

    Iam greater then one-fourth but less than four tenths. I am a decimal rounded to the hundredths place with the digit 1 in my hundredths place. What number am i
  26. Math

    What is the determinant of a square matrix whose entry or element is digit or number. For example (100). Please tell me method of finding the determinant of this matrix.
  27. Easy Mathematics

    What digit could be in the ten millions place of a number that is less that 55,000,000 but greater that 25,000,000? Don't tell me the answer, just tell me how to do it, and what to do also. :D
  28. Math

    The number 57733conteins two set of digits in which one digit is ten times as great as the other what are the values of the digits in each set
  29. math

    (1)I am thinking of a 5-digit odd number. (2)The sum of all its digits is 20. (3) The digits in the hundreds place and in the tens place are consecutive numbers. When you multiply the digits in the tens and hundreds places, you get the digits for the thousands and ten-...
  30. math

    i am a 4 digit decimal. the sum of my digits is divisible by 4. the square of my tenths equals my hundredths place. my thousandths is one less than my hundredths and equals to my ten thousandths. who am i?
  31. Math

    I am a 4-digit even number. I am less than 2500. The digits in my hundreds and the tens place is different. The digits in my hundreds place are less than the digits in the one thousands place. The sum of my last 2-digits equal 9. I am _?
  32. math

    ATM personal identification number PIN codes typically consist of four-digit sequences of numbers. Find the probability that if you forget your PIN, you can guess correct sequence if you recall the two digits
  33. math

    Erin is thinking of a 3-digit number.It uses the digits 1,7 and 4.How many numbers can I make that are odd? How many numbers can I make that are even ?Thanks!
  34. math

    Erin is thinking of a 3-digit number.It uses the digits 1,7 and 4.How many numbers can I make that are odd? How many numbers can I make that are even ?Thanks!
  35. math

    i am a three-digit decimal number. my thousandths is twice my tenths and my hundredths is the difference of my thousandths and tenths. what numbers am i
  36. math

    In this subtraction, the boxes contain the digits 3, 4, 6, and 9 in some order and the circles contain the digits 4, 5, 8, and 9 in some order. What four-digit number is represented
  37. Math

    Use the digits 4'5'6'7' and 8 once each to write an odd five-digit number . Write it both in standard form and in word form
  38. Algebra

    a personal identification number consists of 3 letters followed by 3 digits (0-9). the letters x,y and z are not used and the last digit cannot be 0 or 9. how many different identification numbers are possible?
  39. math

    How many n-digit decimal sequences (using digits 0-9) are there with k 1s? Decimal sequences meaning you can have as many 0s in front of a number. For example: 000001234557891111 would be consider valid. So how do i come up with an equation? See my response to Sana's question ...
  40. andover leke

    janna wrote this number 413,900 what is the valu of the digit in the ten thousands plase? 400,000 40,000 10,000 3,000
  41. math homework

    The whole number are written across a piece of paper in order. There is room for 100 digits on each line and there are no spaces between each digit. What are the last 5 digits on the second line? 0123456789101112.......
  42. Please help. maths

    For each of the three-digit numbers with no digits zero, the difference between the number itself and the product of its digits is calculated. The largest such difference is A. 110 B. 270 C. 902 D. 910 E. 927
  43. Math

    A 4-digit number rounded to the nearest ten is 2,470. Rounded to the nearest hundred, it is 2,500. What is the number?
  44. math

    write a 4-digit number with a 0 in the hundreds place and a 0 in the tens place.Now write another number,using the same four digits and tell which number is larger.
  45. Math

    Im thinking of a two-digit number. It is a prime number which is 3 less than a perfect square. Also, when it's digits are reversed, it becomes a perfect square. What is the one possible number?
  46. 4th grade math

    i am a 4-digit whole number. my digits decrease by 2 from the thousands place to the ones place. each of my digits is an even number. what number am I?
  47. math problem

    In the multiplication probelem at the right,A,B,C represent different non-zero digits. Each time the same letter appears it represents the same digit. Find the 2 numbers represnted by AA and BC.(0 is zero). A A x B C ------ B B O A A ----- 6 6 0
  48. Math - Algebra

    In the forrectly worked subtraction problem below, each letter represents a different digit. What is the largest possible value of E? FLEA - BEE _____ MOLE
  49. 7th Grade Math-Exponents

    I don't understand this at all! Please help! Find the units digit for 7^197 without using a calculator. Explain how you found your answer.
  50. math problem

    In the multiplication at the right,A,B,C represent different non-zero digits. each time the same letter appears it presents the same digit. Find the 2 numbers represnted by AA and BC.(0is zero). A A x B C ------ B B O A A ------- 6 6 0
  51. MATH

    Find the digits that represent the letters E, F, G, and H to satisfy the following puzzle. Each letter represents a different digit. EFGH x 4 = HGFE 2178 x 4 = 8712
  52. Algebra

    .428571428571 with the digits 4,2,8,5,7,1 repeating indefinitely in that order. What digit is in the 200th place. To the right of the decimal point? Is the answer 8? Please show your work.
  53. Algebra

    .428571428571 with the digits 4,2,8,5,7,1 repeating indefinitely in that order. What digit is in the 200th place. To the right of the decimal point? Is the answer 8? Please show your work. Thanks:)
  54. Algebra

    A website requires a four-digit numerical password in which the digits cannot repeat. How many possible passwords are there? • 24 • 5,040 • 151,200 • 3,628,800
  55. statistics

    A random number generator draws at random with replacement from the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, 9. In 5000 draws, the chance that the digit 0 appears fewer than 495 times is closest to 25%,30%,35%,40%,45%,50%
  56. math

    Ian multiplied a number by 5. He then multiplied that product by 2. What digit is in the ones place of the final product
  57. math

    ian multiplied a number by 5. he then multiplied that product by 2. what digit is in the ones place of the final product?
  58. Math

    Ian multiplied a whole number by 5. He then multiplied that product by 2. What digit is in the ones place of the final product?
  59. MATH

    Ian multiplied a number by 5. He then multiplied that product by 2. What digit is in the ones place of the final product?
  60. math

    What digit could be in the ten million place of a number that is less than 55,000,000 but greater than 25,000,000?
  61. math

    427,685 nearest thousand is it 428,000 0.8394263 nearest hundred-thousandth .840 or .839 427,685 nearest thousand is it 428,000 **correct*** 0.8394263 nearest hundred-thousandth .840 or .839 ***No, you are incorrect. 0.839 would be to the nearest thousanth. The next digit to ...
  62. Math

    each "word" in a special code is a three digit number. if no word in the code can begin with a 1 or 0, what is the greatest number of different words the code can contain? 28 512 800 900 1000
  63. Math

    evaluate 12-|-13+15|=10 28. A bedroom is 9 ft by 8 ft. What is its perimeter?=34 ft 30. give the place value for the in dicated digit 8 in the number 12.287= hundredths 31. find the reciprocal of 2 3/5 =5/13 32. which of the numbers 37,39,41,and 43 are prime numbers =37,41,43 ...
  64. math

    suppose you find the least of four 3-digit numbers by comparing the digits in the hundreds place. should you automatically examine the tens digits to find the next greatest number? explain and give an example.
  65. Math

    My seven year old was set this question and I was asked to solve. Help please. Here is the question: My number has 5 tens. The ones digit is less than the tens. What could the number be? My solution was 5 x 10 = 50. Then subtract 1 from the tens = 49 is this correct?
  66. MATHS

    This bank machine has four rows of buttons 1 2 3 4 5 6 7 8 9 0 Sam has a 4-digit bank number that uses one button from each row. For example his bank number could be 0571. How many different possibilities for Sam's bank number are there? The answer should be 648
  67. geomerty

    Write two conditional statements that make up each bioconditinal. 1. A whole number is multiple of 5 and only if its last digit is ethier a 0 or a 5. 2. Two lines are perpendicular if and only if they intersect to form four right angles. 3. You live in Texas if and only if you...
  68. math

    1) A tank holds water with a base 2 ft by 6 ft. If a rectangular solid whose dimensions are 1 foot by 1 foot by 2 feet is totally immersed in water, how many inches with the water rise? A)1/6 B)1 C)2 D)3 E)12 ^I got B 2) AB+BA= CDC IF each of the four letters in the sum above ...
  69. algebra

    What is the probability of getting a license plate that has a repeated letter or digit if you live in a state that has three numerals followed by five letters followed by one numeral? (Round to the nearest whole percent.)
  70. ALGEBRA

    What is the probability of getting a license plate that has a repeated letter or digit if you live in a state that has one numeral followed by two letters followed by four numerals? (Round to the nearest whole percent.)
  71. Data Management

    1. How many eight digit even numbers are possible with the digits 7 5 4 5 7 5 0 7? Is the correct answer 240? If not, please explain. 2. Express t(6,3) + t(6,2) as a single term from Pascal's Triangle. *The (6,3) and (6,2) are subscripts of t.
  72. ALGEBRA

    What is the probability of getting a license plate that has a repeated letter or digit if you live in a state that has one numeral followed by two letters followed by four numerals? (Round to the nearest whole percent.)
  73. Algebra

    Round each number to the place value indicated by the digit in bold. A: 3587 5 is bold. B: 148213 the first one, one is bold. C: 23785 3 is bold. D: 2357 5 is bold.
  74. smiley

    What number can you subtract from 3,200 so that their differences is a 4 digit number with the digits in the thousands place, The digits in the hundreds place and zero in the tens and ones place
  75. Maths question

    (a) find the largest four digit number which has a total of exactly 3 factors assuming that one and d number itself are factors. (b) find a and b greater than zero such that a^2 = b^3. (c) find x and y such that x^3 y^3 =1729
  76. geometry

    Square is the product of a number multiplied with that number itself.square of a number is its second power . 1 multiplied 1 = 1 raised 2 = 1 , 2 multiplied 2 = 2raised2=4 , 3 multiplied 3 =3raised2 =9 , 4 multiplied4 =4raised2 = 16 . Find the other 96 digit in this way?
  77. math

    I am a five-digit whole number.My digits decrease by 2 from the ten-thousands place to the ones place. Each of my digits is an even number.What number am i ?
  78. Math

    When the digits of a two digit number are reversed, it is 9 less than 3 times the original number. The product of the digits is 14. What is the original number?
  79. computer programming

    Write a program that simulates the dial of a phone number. The program will input a phone number and the program will acknowledge the call by either writing an error message or the 8 digit phone number to the console window. The phone number may have either digits, letters, or...
  80. Maths

    The difference between the two digits of a two digit number is 2. If the digits swap places,the number is 18 less than the original number. What is the original number?
  81. gwalior glory school

    I am a three digit number between four hundred and five hundred my on3s place is same as number of eyes you have my tens place is four more than the number at ones place i am ?
  82. Math Help

    In a certain state, each automobile license plate number consists of two letters followed by a four-digit number. To avoid confusion between "O" and zero and between "I" and one, the letters "O" and "I" are not used. How many distinct license plates can be formed in this state?
  83. ALGEBRA

    Beginning in 1995, three digit area codes could begin with any number except 0 or 1. The middle and last number were not limited. How many area codes became available. I know the answer is 640 but I don't know how to explain that answer.
  84. Maths

    (a) find d largest four digit number which has a total of exactly 3 factors. Assuming that one and the number itself are factors. (b) find a and b greater than zero such that a^2=b^3. (c) find. x and y such that x^3 + y^3 =1729
  85. math (4th)

    steven has a six digit number on his bike. A 2 is in the hundred thousands place, a 6 in the ones place, and a 1 in the hundredths place. Write two different numbers that could be on his bike
  86. probability. review questions

    1)what is the probability that a seven-digit phone number has one or more repeated digits? 2) five letters, with repetition allowed, are selected from the alphabet. what is the probability that none is repeated?
  87. Math

    1.) A security code has seven characters. Each code begins with two digits, then two letters, and finally three digits. the number of distinct security codes possible if repetition is allowed? 2.) How many ten digit phone numbers are possible if a number may not begin with a 0...
  88. math

    numbers that have a tens digit greater than 5. Please help me to chose the correct numbers out of this choices 44 75 21 16 93 67 88 82 6 90 77 34 92 42
  89. Math

    How many 7 digit even numbers can be formed using all of the digits 0,1,1,2,3,4? The answer is 1320. I tried 7!/2! but I know its supposed to be even, so it's not right to do 2!. How do I get to 1320?
  90. digit numbers

    omar has 318 marblesrounded to the nearest hundred how many marbles does omar have?
  91. 3rd grade Math

    Writing in Math - How can estimating help you add two-digit numbers?
  92. math

    A school’s gym lockers are numbered from 1 to 150. How many lockers have numbers that contain the digit 6?
  93. math

    How many distinct 3 digit odd integers are there? Distinct meaning none of the digits repeat.
  94. math fractions and decimals

    the decimal has a digit greater than 4 but less than 8 in the hundreds place, what could the decimal be?
  95. math

    How many distinct 3 digit odd integers are there? Distinct meaning none of the digits repeat.
  96. math

    There are 1000 Meters in 1 Kilometer, If you express the diameter of mercury in meters, what will be the value of the first digit
  97. math

    write an addition story for two 3-digit numbers. Wrote the answer to your story.
  98. math

    How many distinct 3 digit odd integers are there? Distinct meaning none of the digits repeat.
  99. Math

    When 31513 and 34369 are divided by a certain three digit no. the remainder are equal. Find this remainder.
  100. mathematics

    What is the largest 3 digit divisor of N=1024^3−639^3−385^3?
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