# math help plzzzz!!!!

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Multiple Choice
1. What is 0.32 written as a fraction in simplest form? (1 point)
thirty-two over one hundred
eight over twenty-five
one hundred over thirty-two
sixteen over twenty-five
2. If Fran’s fudge recipe calls for two and one-half cups of sugar and she increases it by two-fifths of a cup, how much sugar does she use? (1 point)
two and two-tenths
2two and three-sevenths
2two and four-ninths
2two and nine-tenths
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 10-4
84 x 10-3
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 one-half of a pizza and Jonas wants only one-third of it, how much of the pizza will he eat? (1 point)
one-fifth
two-fifths
one-sixth
two-sixths
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 10-8
3.937 x 108
39.37 x 10–7
39.37 x 107
9. What is three-eighths 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)
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
one-third
0.8
13. Which number is equivalent to four-fifths? (1 point)
twenty-five over one hundred
0.2
sixteen over one hundred
0.8
14. Riding the bus, Jasmine uses two-thirds 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 2six-sevenths ÷ two-fourteenths? (1 point)
7
14
20
40

• math help plzzzz!!!! -

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!!!! -

************9.6 x 10^1 *************

^^^^^^^^^^^^^^^^^^^^^^

BOSNIAN IS WRITE ON EVERYTHING EXCEPT QUESTION 10 THE ANSWER TO QUESTION 10 IS ABOVE ^^

• math help plzzzz!!!! -

5 is wrong

• math help plzzzz!!!! -

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!!!! -

Thank you, Salted Caramel! I made a 100% based on your help! :)

• math help plzzzz!!!! -

Thank you, Salted Caramel! I got 100%! thx so much :)

• math help plzzzz!!!! -

Thanks:)

• math help plzzzz!!!! -

salted carmel is soo right :)

• math help plzzzz!!!! -

Yea thanks. Just got a 100%

• math help plzzzz!!!! -

thank you so much Salted Caramel i got 100%

• math help plzzzz!!!! -

Thank you sooooooo much salted caramel I just got a 100% !!! Thank you!!!

• math help plzzzz!!!! -

Dude oml so thanks to salted caramel I got 100%!!!!!! :) so many kids come here to cheat lol

• math help plzzzz!!!! -

yea meto oml yassssss 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000% dont know y u saying u got 100% wen u dont even go to deir skool. just saying dog:)

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