# how many significant figures do the following numbers have? a. 1.2056 x 10^4 m: b. 1 x 10^89 km: c. 12,000 L: d. 0.000345 cm: e. 1.00036 mL: f. 0.2056000 m:

15,979 questions, page 25
1. ## ww2 history

How many Japanese fought at Pearl Harbor? I just need an approximation, I know that 55 were killed, which was lower numbers compared to the United States....I can't find the numbers for this anywhere because it isn't well documented except the causalities.

asked by Anonymous on April 30, 2018
2. ## Math

Hi, I have to write a 2 page paper on any subject in math that interests me. It can be about topics such as fibonacci numbers, rational or irrational numbers, golden ratio/rectangle, platonic solids, probability, etc. Can you help me get started. Thanks :)

asked by Jon on May 10, 2011
3. ## Statistics

When the Indianapolis Colts recently won the Super Bowl, the numbers on the jerseys of the active players were 29, 41, 50, 58, 79,..., 10 (listed in the alphabetical order of the player's names). Does it make sense to calculate the mean of those numbers?

asked by Andrea on April 8, 2011
4. ## Chem 2

You are instructed to create 600. mL of a 0.56 M phosphate buffer with a pH of 7.6. You have phosphoric acid and the sodium salts NaH2PO4, Na2HPO4, and Na3PO4 available. (Enter all numerical answers to three significant figures.) H3PO4(s) + H2O(l)

asked by Mia Ismaili on October 26, 2016
5. ## calculus

A magician writes a list of numbers, 1 through 10, on the board then turns his back to the board. Two audience members are asked to write different numbers from 1-10 in the first two spaces. One of the spectators adds the two numbers and places the result

asked by Jacob on April 7, 2012
6. ## Barometric Pressure

I have been studying the reduction in barometric pressure and temperature with height and am happy with my findings ref temperature. With regard to pressure I read that for every increase in altitude of 32 feet the pressure drops 1 mb. For every increase

asked by mike on August 28, 2006
7. ## Science

A biologist is studying the epithelial cells in a variety of plants and animals. She counts the chromosomes in the epithelial cells of several organisms and finds the following numbers: Organism A: 32 chromosomes Organism B: 26 chromosomes Organism C: 24

asked by Jenny on November 1, 2009
8. ## Chemisty

Enrico Fermi was a famous physicist who liked to pose what are now known as Fermi problems in which several assumptions are made in order to make a seemingly impossible estimate. One example of a Fermi problem is "Caesar's last breath" which estimates that

asked by Garcia on November 1, 2012
9. ## Permutation need help plz

How many 4 digit codes can we make provided that -the codes contain of numbers only -codes may not equal to 4000 -codes may not be less than 4000 -numbers may be repeated -codes have to be even numbers??????

asked by Collins on October 10, 2015
10. ## math (data management)

How many n-digit decimal sequences (using digits 0-9) are there with k 1s? I'm not entirely sure what you question is asking, but I'll take a guess. You have n digits and k 1's with k

asked by Sana on October 15, 2006

Let f(x) = 3x - 6 and g(x) = x - 2. Find f/g and its domain. A. 3; all real numbers B. 3; all real numbers except x = 2 C. -3; all real numbers except x = 3 D. 1; all real numbers B ?

asked by Ciaria on March 16, 2015
12. ## Math

Given f(x)= |x-1|/x^2-25 please determine the domain. Thank you! A. All real numbers except -5 and 5 B. All real numbers except -5,0 and 5 C. All real numbers except 0 D. All real numbers except 0 and 5

asked by Crissy on June 24, 2009
13. ## college chem

You are instructed to create 400. mL of a 0.40 M phosphate buffer with a pH of 6.9. You have phosphoric acid and the sodium salts NaH2PO4, Na2HPO4, and Na3PO4 available. (Enter all numerical answers to three significant figures.) H3PO4(s) + H2O(l)

asked by leah on June 23, 2014
14. ## Writing Sentences and parahgraphs

Your favorite cousin has moved to your town and is looking for a job. Her previous experiences are working as a cashier and sales clerk at two department stores. You know she plans to apply at similar stores in your town. But you also know she is a perfect

asked by Crystal on February 21, 2009
15. ## chemistry

Quantum numbers arise naturally from the mathematics used to describe the possible states of an electron in an atom. The four quantum numbers, the principal quantum number (n), the angular momentum quantum number (ℓ), the magnetic quantum number (mℓ),

asked by Jordan on November 4, 2016
16. ## math

Matt has a magic number basket. The only numbers that can be placed in the basket are numbers that have two, three, or four digits, all the digits must be odd, and the digits must increase from left to right. How many numbers can Matt place in the basket?

asked by Miep on March 3, 2012
17. ## math

how to subtract numbers with decimals Line up the decimal points and proceed the same way as you would when subtracting whole numbers. Example: 56.78 12.34 ____ 44.44 It works the same when adding decimalized numbers. example: 92.4 -6.41 _____ 1) When

asked by tyler on August 30, 2005
18. ## Programming

Here is the question that I need help to write the code for the following program in Visual Basic 2010. I am trying to write the code but it has a run time error. If your could helps me to write the code it would be greatly appreciated. Q. Write a program

asked by Solomon on May 18, 2011
19. ## statistics

The probability that a person has an unlisted telephone number is 0.15. The district manager of a political action group is phoning people urging them to vote. In a district with 416 households, all households have phones. What is the probability that the

asked by Joy on August 10, 2011
20. ## Math

I have three more questions I do not understand. 1. Two points (-1,1) and (3,-2) are graphed on a coordinate plane. What is the shortest distance between the points? A. 3 B. 4 C. 5 D. 7 I have no idea how to do this. 2. Which expression represents the nth

asked by Sammy on April 18, 2011
21. ## algebra

1. write an algebraic expression for the word phrase: the quotient of r and 12 a.r * 12 b.r/12**** c.r-12 2. write a word phrase for the algebraic expression: 2t - 9 a.nine fewer than two times a number t***** b.nine fewer than two times a number t c.nine

asked by someone on August 23, 2015
22. ## math ms.sue plz help

the two figures below are congruent identify the 4 corresponding angle pairs

asked by ashleydawolfy on March 1, 2016
23. ## government

popular figures in the history of the party what does this mean?? do we right about the background or just who they were??

asked by Reina Bonilla on December 3, 2014
24. ## Geometry

How do you find the scale factor for similar figures?

asked by Anonymous on January 11, 2010
25. ## SS

KOHLER, TOLMAN, AND BANDURA ARE IMPORTANT FIGURES ASSOCIATED WITH?

asked by JAMIE on March 30, 2011
26. ## social studies

what magical figures were wrapped within a mummies wrappings

asked by justin on January 17, 2008
27. ## english 10

use each of the three different figures of speech(simile,metaphor,and personification) at least once

asked by Anonymous on February 22, 2009
28. ## socal studies

what are the magical figures placed in between layers of a mummys wrapping.

asked by Randi on November 30, 2008
29. ## literature

What's the poetic significance of the figures of speech in "the pulley"?

asked by Anonymous on March 9, 2015
30. ## science

what are two historical figures that contributed to the plate tectonic.

asked by sandtara on February 23, 2008
31. ## Maths A

For this question, use the copy of the Random Number table provided at the end of this AAT. (This table was copied from page 111 in the Textbook.) Select 48 values according to the following criteria. o The first thirty (30) numbers must lie in the range

asked by Anna on February 25, 2013
32. ## Math (Stats)

What is the difference between class limits and class boundaries? A) Class limits are the numbers that separate classes without forming gaps between them. Class boundaries are the least and greatest numbers that can belong to the class. For integer data,

asked by Ray on January 13, 2017
33. ## math

The student in Question 5 from Module 18 decides to conduct the same study using a within-participants design in order to control for differences in cognitive ability. He selects a random sample of participants and has them study different material of

asked by kim on June 29, 2013
34. ## math

In a game, you draw a card with three consecutive numbers on it. You can choose one of the numbers and find the sum of its prime factors. Then you can move that many spaces on a game board. You draw a card with the numbers 25, 26, 27. Which number should

asked by Kyle on February 7, 2015
35. ## Maths

you can use these numbers (1,3,5,7,9,11,13,15) you can also repeat this numbers.you will notice that only ias topper gourav agarwal can solve it. this question was asked in UPSC final exam held in december 2013 in india. pls answer it soon. __ + __ + __ =

asked by Charu gupta on January 25, 2016
36. ## Physics

An elevator and its load have a combined mass of 1600 kg. Find the tension in the supporting cable when the elevator, originally moving downward at 12 m/s is brought to rest with constant acceleration in a distance of 42m. T=w which means that T=mg. My

asked by Amy on November 12, 2006
37. ## chemisrty

if i am trying to find the diameter of an oil molecule and express my answer in scientific notation. the info is drop of oil 0.05 cm3 from a dropper spreads out to 40 cm2 is it vol = l x w x h 0.05cm3 = 20 x 20 xh 0.05 cm3 = 40cm2 after this im stuck as i

asked by bex on February 17, 2007
38. ## Chemistry

ELement A has a valence electronic structure of ns2np1. Element B has the valence electronic structure of ns2np5. If the value of n for element A is 3, what is the set of 4 quantum numbers that would describe the energy of the electron represented by np1?

asked by John on April 19, 2007

The following is taken from a State of the Park Report for Banff National Park. Visitors Numbers Total Visitors: 2004= 3,135,727. 2005=3,164,906. 2006=3,281,435 Total visitor days: 2004= 7,453,465. 2005= 7,518,997. 2006= 7,784,044 Total visitors have

asked by Jenny on June 29, 2016
40. ## Math Statistics

The following is taken from a State of the Park Report for Banff National Park.  Visitors Numbers  Total Visitors: 2004= 3,135,727. 2005=3,164,906. 2006=3,281,435  Total visitor days: 2004= 7,453,465. 2005= 7,518,997. 2006= 7,784,044 Total visitors have

asked by Matt on September 23, 2018
41. ## math

Can someone help me with prime and composite numbers? Prime numbers are counting numbers that can be divided evenly bt only two numbers:1 and themselves. A prime number can also be described as a counting number with exactly two factors, 1 and itself. So,

asked by haylo on October 24, 2006
42. ## Physics Lab I

Let's say you measure an average acceleration to be 0.4134 ms-2. What is the height (in centimeters) of the riser block? Assume the legs of the track span 1.0000 m and that there is neither friction nor drag. Also assume the block is under one of the legs.

asked by Richard on November 3, 2010
43. ## math

Last one, The sum of two numbers is 48. Four times the smaller number is equal to twice the larger number. Find the two numbers. ANS: 16, 32 Can someone please explain to me how you get this answer?

asked by shelly on November 29, 2007
44. ## maths proofs

Take the numbers 4 and 7. If we square them we get 16 and 49, which added together becomes 65. If we add 4 and 7 together first and then square we get 121. The difference is 56. PROVE that there is a connection between the product of 4 and 7 and 56 FOR ANY

asked by daz on September 27, 2010

colin is thinking of a group of numbers between 40,000 and 60,000 that rounds to 54,450 .Use an organised list to fing Collins numbers

asked by A.T on September 9, 2010
46. ## math

What is the connection between the square numbers and triangular numbers in arrays as shown below with a line drawn to show the array as 3/6? ... ... ... and .... .... .... .... array shows 6/10?

asked by suzie on March 31, 2011
47. ## Math

a student opens a mathimatic book to two facing pages. The product of the page numbers is 930. Find the page numbers.

asked by Rmz on October 5, 2009
48. ## Calculus Bonus

Form two four-digit numbers from the digits 2, 3, 4, 5, 6, 7, 8, and 9, using each digit exactly once, so that the absolute value of the difference of the two numbers is as small as possible. I don't know where to start, any help would be greatly

asked by Matt on October 27, 2007
49. ## Algebra

A student opens a math book to 2 facing pages. The product of the page numbers is 930. Find the page numbers.

asked by SuziQ on March 17, 2008
50. ## Math

the sum of two numbers is 27. one number is 3 more than the other number. write and solve a system of equations to find the two numbers. i understand the first equation but i don't know the other one.

asked by Kevin on February 18, 2016
51. ## math

Write the answer to the problem as an algebraic expression. The product of two numbers is 30. One of the numbers is r. What is the other number? Our choices are: a) r/30 b) 30/r c) 30-r d) 30r I believe the answer is b but am thinking it may be c, any

asked by m on January 20, 2011
52. ## Math

Write the equation of a function with the following requirements: A domain of all real numbers over 3, a range of all real numbers, an x-intercept of (5,0), and a vertical asymptote at x = 3.

asked by Carl on November 9, 2017
53. ## Math

Three different numbers are chosen at random from the set {1,2,3,4,5}. The numbers are arranged in increasing order. What is the probability that the resulting sequence is an arithmetic sequence?

asked by Esmeralda on December 9, 2011
54. ## Preschool teacher needs your help... thx a mill

I am a preschool teacher and my 3 and 4 year olds are struggling with their numbers and colors.... What fun game could I play with them to teach them their numbers and colors?

asked by Marcia on November 14, 2009
55. ## math

There are two distinct natural numbers. Each is first increased by 10 then by same percentage as each was increased for the first time. Each number finally results in 72 Find the difference between the numbers.

asked by hiren on August 14, 2016
56. ## algebra

A student opens a mathmatics book to two facing pages. The product of the page numbers is 2352. Find the page numbers.

asked by Jack on May 11, 2008
57. ## Algebra

The product of two numbers, A and B is 840. THe difference of two numbers, A and C is 816. GIven that C is the greatest number and B is the smallest 2-digit even number, find the values of A, B, and C?

asked by Cm on June 29, 2016
58. ## probability help!

In a random sample of three integers between 1 and 365 inclusive, what is the probability, to three decimal place accuracy, that (a) the three numbers will all be di fferent; (b) the three numbers will not all be di fferent?

asked by denim on September 5, 2013

1. The sum of the squares of two numbers is 74 and the difference of their squares is 24. a) What system of equations models this situation? b) What are the two numbers? 2. For what value of b will the line y= -2x+b be tangent to the parabola y=3x^2+4x-1?

asked by Anthony on June 18, 2015
60. ## math

the frist grid is not a magic square. Change some of the numbers so the sum of each row, column and diagonal is the same number. Change no more than two numbers.

asked by Aitza on September 21, 2010
61. ## probability

In a random sample of three integers between 1 and 365 inclusive, what is the probability, to three decimal place accuracy, that (a) the three numbers will all be di fferent; (b) the three numbers will not all be di fferent?

asked by denim on September 4, 2013
62. ## math

Given two numbers whose sum is 56. Six times the larger is 72 more than 5 times the smaller. Find the numbers. Please help me solve this problem in a simple explanation so I can understand it.

asked by Traci on February 23, 2013
63. ## programming

1. Write a structured algorithm that prompts the user to input two numbers. The algorithm should calculate and print the sum & product of the two numbers [21/2]

asked by alethia benney on October 16, 2012
64. ## probability

A random sample of six integers in the interval [1,42] is to be drawn. The numbers are selected randomly, one after the other, and repeats are allowed. What is the probability the six numbers in the sample will all be different?

asked by zach on September 4, 2013
65. ## Algebra 1 Honors

When two numbers are added together, the result is 45. Twice the greater number is six more than five times the lesser number. What are the numbers? 3 months ago Only allowed to use one variable

asked by Mark Younan on October 30, 2008
66. ## Math

Three different numbers are chosen at random from the set {1,2,3,4,5}. The numbers are arranged in increasing order. What is the probability that the resulting sequence is an arithmetic sequence?

asked by Esmeralda on December 9, 2011
67. ## Algbera

A student opens a mathematics book to two facing pages. The product of the page numbers is 2352. Find the page numbers.

asked by Nikayla on September 4, 2011
68. ## computer Science

1. Create a program which will allow the user enter ten numbers. The program is to count how many numbers were above 50. Hint: You will need to incorporate a Selection (If…then) statement.

asked by Jhon on January 25, 2016
69. ## Algebra

One number is 3 times another. If the sum of their reciprocals is 4, find the two numbers. __ 15 this is supposed to be 4 over 15 Let the smaller number be x. The two numbers are then x and 3x. You have only one unknown now. 1/x + 1/(3x) = 4 4/(3x) = 4

asked by Daniela on October 29, 2006
70. ## factorization

In a game, you draw a card with three consecutive numbers on it. You can choose one of the numbers and find the sum of its prime factors. Then you can move that many spaces on a game board. You draw a card with the numbers 25, 26, 27. Which number should

asked by kymy on February 7, 2015

Two six sided dice were rolled, and a friend tells us that the numbers that came up were identical. Find the probability that the sum of the numbers was as follows: a) 4 b) 11 c) an even number d) an odd number

asked by Annonymous on July 7, 2013
72. ## math

A number cube with sides labeled 1 through 6 is rolled two times, and the sum of the numbers that end face up is calculated. What is the probability that the sum of the numbers is 3?

asked by Arielis on May 28, 2013
73. ## Math

Three even numbers sum up to 126. The smaller is half the larger and the middle number is 3/4 the larger. What are the three numbers (list in order from smallest to largest).

asked by Keonn'a on September 23, 2017
74. ## Math

To which subsets of the real numbers does the number √113 belong? is it irrational numbers? if there are anymore subsets this expression belongs to, please include it in your response.

asked by Kaai97 on September 25, 2015
75. ## maths help

There are two distinct natural numbers. Each is first increased by 10 then by same percentage as each was increased for the first time. Each number finally results in 72 Find the difference between the numbers. How to do in simplified way please help

asked by Dharmesh on August 13, 2016
76. ## 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.

asked by Lexi on September 30, 2008
77. ## Geometry

I have 4 different examples that contain 3 numbers that I need to know if the 3 numbers in each set will form a triangle. 5,2,8 7,8,14 6,6,12 7,9,15 If the sum of the sides of a triangle must equal 180 than the answer is no to all. Right? But I think this

asked by Tyler on November 27, 2007
78. ## math

Three di erent numbers are chosen at random from the set f1; 2; 3; 4; 5g. The numbers are arranged in increasing order. What is the probability that the resulting sequence is an arithmetic sequence?

asked by justme on October 15, 2011
79. ## algebra

Each letter represents a different number. Identical letters represent identical numbers. Rewrite the multiplication example using the correct numbers. SPACER x3 ------- PACERS

asked by sam on February 19, 2011
80. ## algebra

A student rolled two six-sided number cubes several times. The numbers below are the sums of the numbers she rolled. Which histogram represents the data?2, 7, 10, 6, 12, 9, 5, 10, 6 I'm stuck

asked by Anonymous on May 23, 2016
81. ## Discreet Mathematical Structures

Use proof by contraposition to prove the following statement: If A is the average of two positive real numbers then one of the two numbers is greater than or equal to A. Proof. Domain: positive real numbers P: A=(x+y)/2 Q: x is greater than or equal to A

asked by Anna on October 7, 2010

Find the missing numbers and landmarks for the set of numbers: 18,20,20,24,27,27,__,30,33,34,36,36,__ A range:22 B mode:27 C Minimum ____ D Maximum ____

asked by Tiana on August 31, 2010
83. ## Math

2x^3+3x^2-120x to find the critical numbers I took the derivative which is 6x^2+6x-120 so divide by 6 to simplify x^2+x-20=0 so the critical numbers will be (4,0) and (-5,0) but its wrong I don't know y?

asked by Angelina on March 9, 2012
84. ## Calculus Bonus

Form two four-digit numbers from the digits 2, 3, 4, 5, 6, 7, 8, and 9, using each digit exactly once, so that the absolute value of the difference of the two numbers is as small as possible. Confused need to double check with you all.

asked by Matt on October 25, 2007
85. ## MATH

HOW MANY SEVEN-DIGIT NUMBERS LESS THAN 1,048,000 CAN BE MADE USING THE DIGITS 0,1,4,6,7,8,AND 9? THINK: MAKE A LIST OF POSSIBLE WAYS TO REPRESENT YOUR SEVEN-DIGIT NUMBERS

asked by lanz on November 28, 2012
86. ## Math

How many seven digit numbers less than 1.048,000 can be made using the digits, 0,1,4,6,7,8,9? Make a list of possible ways to represent your seven digit numbers

asked by shaneea on September 1, 2010

The numbers 1 through 9 are put into a hat. What is the probability that all odd numbers will be chosen first if one number at a time is drawn from the hat and not replaced?

asked by Ellia on February 6, 2015
88. ## science

What is the definition of Mathematics? a.adding and subtracting numbers b.the science of patterns and relationships c.the science of numbers d.a really hard subject

asked by David on September 12, 2010
89. ## Math

How many seven-digit numbers less than 1,048,000 can be made using the digits 0,1,4,6,7,8, and 9? Make a list of possible ways to represent your seven-digit numbers.

asked by Ana on September 1, 2010
90. ## Math

Write the numbers 1 to 9 in the circles so that each side of the square adds up to 12. (Hint:put 7 in the middle) Example: this is the grid u have to put the numbers in O------O-------O | |. | O------O-------O |. |. | O------O-------O

asked by Lalalala on August 22, 2014
91. ## Pre-cal

The equation of the line joining the complex numbers -5 + 4i and 7 + 2i can be expressed in the form az + b*overline{z} = 38 for some complex numbers a and b. Find the product ab. Any help?

asked by Sam on September 1, 2014
92. ## Maths

The sum of two numbers is 21 .two-thirds of one number is added to three-quarters of the other number to give 15 .find the two numbers,showing clearly your workings.

asked by Anita on January 6, 2016
93. ## Maths

The product of two natural numbers is 18. If one is added to four times the smaller number this is equal to the larger number. Find both numbers

asked by Shelly on April 18, 2016
94. ## math

Three consecutive even numbers have a sum between 84 and 96. a. Write an inequality to find the three numbers. Let n represent the smallest even number. b. Solve the inequality

asked by Emalee on October 13, 2010
95. ## Mathematics

if d sum of two numbers is 8 and their product is 15.if the answer of this equation is 3and5 find the number and check let the two numbers be xandy and you must check

asked by opeyemi on December 5, 2016
96. ## sir steve reiny plz maths

Suppose you have 5 real numbers whose sum of squares is equal to 5. What is the maximum value of the sum of cubes of these 5 numbers? Please show step

asked by danu on May 6, 2017

I am studying making conjectures about L-shaped numbers. The assignment says to list the first 25 L-shaped numbers. I am not understanding how to solve the problem.

asked by DeAndre on August 30, 2010
98. ## Math

Can someone tell me how to solve my problem? Do I just start plugging in numbers or is there some rational to figure this out? Sum of three numbers is -5. First, minus second, plus 4 times the third is -20. The third plus 4 times the first plus the second

asked by Megan on April 18, 2008
99. ## math

cn you please help me a problem states that the sum of two numbers is 27. The numbers can be represented by x and 27-x. Is it possible to determine which is the larger number and which is the smller number. explain Thank u

asked by Kiki on September 25, 2012
100. ## maths

Suppose that 10 dice are rolled. Each die is a regular 6 -sided die with numbers 1 through 6 labelled on the sides. How many different sums of all 10 numbers are possible?

asked by Anonymous on February 10, 2013