Posted by josh on Wednesday, October 30, 2013 at 3:25am.
Multiple Choice
1. What is 0.32 written as a fraction in simplest form? (1 point)
thirtytwo over one hundred
eight over twentyfive
one hundred over thirtytwo
sixteen over twentyfive
2. If Fran’s fudge recipe calls for two and onehalf cups of sugar and she increases it by twofifths of a cup, how much sugar does she use? (1 point)
two and twotenths
2two and threesevenths
2two and fourninths
2two and ninetenths
3. Which of the following makes the statement true? one over five to the zero power = ? (1 point)
1
–1
–5
0
4. The area of a certain state is 840,000 square miles. What is this area in scientific notation? (1 point)
8.4 x 104
84 x 103
84 x 103
8.4 x 105
5. Which is irrational? (1 point)
0.117117117 . . .
0.8596873205 . . .
0.812812812812 . . .
0.605605605 . . .
6. If there is onehalf of a pizza and Jonas wants only onethird of it, how much of the pizza will he eat? (1 point)
onefifth
twofifths
onesixth
twosixths
7. Harold brought two loaves of raisin bread to share with his friends. If there are 12 people total, including Harold, how much of the bread does each person receive? (1 point)
0.06
0.16 repeating
0.25
point three repeating
8. One nanometer is about 0.00000003937 of an inch. What is this number in scientific notation? (1 point)
3.937 x 108
3.937 x 108
39.37 x 10–7
39.37 x 107
9. What is threeeighths written as a decimal? (1 point)
two point three repeating
0.375
point three repeating
2.667
10. According to the 2010 census data, the population of Texas was about 2.5 x 107 people. The land area of Texas is about 2.6 x 105 m2. What was the average number of people per square mile in 2010? (1 point)
0.96 x 102
9.6 x 101
0.96 x 1035
9.6 x 1012
11. Based on the 2010 census, the population of Georgia was 9.6 x 106 people. Which state had a larger population? (1 point)
Alaska: 7.1 x 105
New York: 1.9 x 107
Wyoming: 5.6 x 105
Idaho: 1.5 x 106
12. Which of the following numbers is an example of an integer? (1 point)
square root of five
square root of nine
onethird
0.8
13. Which number is equivalent to fourfifths? (1 point)
twentyfive over one hundred
0.2
sixteen over one hundred
0.8
14. Riding the bus, Jasmine uses twothirds of her money for bus fare. What is this number as a decimal? (1 point)
point three repeating
point six repeating
point eight repeating
one point five repeating
15. What is the solution to 2sixsevenths ÷ twofourteenths? (1 point)
7
14
20
40

math help plzzzz!!!!  Bosnian, Wednesday, October 30, 2013 at 8:55am
1.
0.32 = 32 / 100 = 4 * 8 / ( 4 * 25 ) = 8 / 25
2.
2 + 1 / 2 + 2 / 5 = 2 + 5 * 1 / ( 5 * 2 ) + 2 * 2 / ( 5 * 2 ) = 2 + 5 / 10 + 4 / 10 = 2 + 9 / 10
3.
The number raised to the zero power is equal to one.
( 1 / 5 ) ^ 0 = 1
4.
840,000 = 8.4 * 100 * 1,000 = 8.4 * 10 ^ 2 * 10 ^ 3 = 8.4 * 10 ^ 5
5.
An Irrational Number is a real number that can't be written as a simple fraction.
0.117117117... = 117 / 999
0.8596873205... can't be written as the fraction
0.812812812812... = 812 / 999
0.605605605... = 605 / 999
So 0.8596873205... is irrational.
6.
( 1 / 2 ) * ( 1 / 3 ) = 1 / 6
7.
2 / 12 = 2 / ( 2 * 6 ) = 1 / 6 = 0.16666666
8.
0.00000003937 = 3.937 / 100,000,000 = 3.937 / 10 ^ 8 = 3.937 * 10 ^  8
9.
3 / 8 = 0.375
10.
2.5 * 10 ^ 7 / ( 2.6 * 10 ^ 5 ) =
( 2. 5 / 2.6 ) * 10 ^ 7 / 10 ^ 5 =
0.96 * 10 ^ 2
11.
New York: 1.9 * 10 ^ 7
12.
sqrt ( 9 ) = 3
13.
4 / 5 = 2 * 4 / ( 2 * 5 = 8 / 10 = 0.8
14.
2 / 3 = 0.66666
15.
( 2 + 6 / 7 ) / ( 2 / 14 ) = ( 2 * 7 / 7 + 6 / 7 ) / [ ( 2 * 1 ) / ( 2 * 7 ) ] =
( 14 / 7 + 6 / 7 ) / ( 2 * 1 ) / ( 1 / 7 ) =
( 20 / 7 ) / ( 1 / 7 ) = 7 * 20 / 7 = 20

math help plzzzz!!!!  LOL, Wednesday, October 1, 2014 at 5:24pm
QUESTION 10'S ANSWER IS :
************9.6 x 10^1 *************
^^^^^^^^^^^^^^^^^^^^^^
BOSNIAN IS WRITE ON EVERYTHING EXCEPT QUESTION 10 THE ANSWER TO QUESTION 10 IS ABOVE ^^

math help plzzzz!!!!  Tyler, Wednesday, October 15, 2014 at 3:42pm
5 is wrong

math help plzzzz!!!!  Salted Caramel, Wednesday, October 21, 2015 at 3:48pm
The answers are....
1.b
2.d
3.a
4.d
5.b
6.c
7.b
8.a
9.b
10.b
11.b
12.b
13.d
14.b
15.c
I got a 100%

math help plzzzz!!!!  Cuddly Baby Panda, Tuesday, October 27, 2015 at 2:08pm
Thank you, Salted Caramel! I made a 100% based on your help! :)

math help plzzzz!!!!  TWD, Wednesday, November 11, 2015 at 3:52pm
Thank you, Salted Caramel! I got 100%! thx so much :)

math help plzzzz!!!!  Joe, Sunday, September 11, 2016 at 5:40pm
Thanks:)

math help plzzzz!!!!  helpppp, Monday, September 19, 2016 at 11:30am
salted carmel is soo right :)

math help plzzzz!!!!  Katie, Wednesday, October 12, 2016 at 10:16pm
Yea thanks. Just got a 100%

math help plzzzz!!!!  twenty one pilots lover, Thursday, October 13, 2016 at 2:19pm
thank you so much Salted Caramel i got 100%

math help plzzzz!!!!  Sara Helena, Friday, October 28, 2016 at 6:17am
Thank you sooooooo much salted caramel I just got a 100% !!! Thank you!!!

math help plzzzz!!!!  Pitter patter, Monday, December 12, 2016 at 12:59pm
Dude oml so thanks to salted caramel I got 100%!!!!!! :) so many kids come here to cheat lol
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