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Posted by **Delilah** on Wednesday, October 3, 2012 at 7:37pm.

1.

What is 0.68 written as a simplified fraction?

68/100

17/25

100/68

34/25

2.

Mrs. Whimsey’s class is having a pizza party. If there are 16 students and 4 pizzas cut into 8 slices, what answer choice represents the fraction of one pizza each student receives?

one-third

one-sixteenth

one-fourth

one-eighth

4. Based upon the 2010 census data, the total population of the U.S. is 308,745,538 people. Approximately, what is this population in scientific notation?

3.1 x 10^8

3.1 x 10^7

3.1 x 10^–8

31 x 10^7

5. What is the solution to (4 x 10^3) x (6 x 10^6), written in scientific notation?

24 x 10^9

2.4 x 10^9

24 x 10^18

2.4 x 10^10

8.

What is 0.00000512 in scientific notation?

5.12 x 106

512 x 105

5.12 x 10–6

512 x 10–5

9.

What is thirty-one over five written as a decimal?

1.6

6.1

6.2

6.5

My answers are:

1. 17/25

2. 1/8

4. 3.1 x 10^8

5. 2.4 x 10^9

8. 5.12 x 10^6

9. 6.1

- 7th grade Math quick help Ms. Sue -
**Ms. Sue**, Wednesday, October 3, 2012 at 7:49pmI'm sorry -- but I don't know the answers to 4, 5, and 8.

Your first answer is correct.

Your answers to 2 and 9 are wrong.

- 7th grade Math quick help Ms. Sue -
**Delilah**, Wednesday, October 3, 2012 at 8:05pmHow come 9 is wrong? 5 goes into 31 6 times and there is 1 as the remainder so wouldn't it be 6.1?

- 7th grade Math quick help Ms. Sue -
**Reiny**, Wednesday, October 3, 2012 at 8:07pm2. 32 slices for 16 students, so each gets 2 slices

which is 2/8 or 1/4 of a pizza

4. a

5. 2.4 x 10^10

8. 5.12 x 10–6

9. 31/5 = 62/10 = 6.2

- 7th grade Math quick help Ms. Sue -
**Ms. Sue**, Wednesday, October 3, 2012 at 8:09pmNo. You need to carry it out as a decimal.

With 1 as a remainder, you have the fraction of 1/5. That's 0.2. The answer is 6.2.

Most of us use a calculator for this type of problem.

- 7th grade Math quick help Ms. Sue -
**syd**, Monday, October 8, 2012 at 10:09am8. 5.12x10^-6

- 7th grade Math quick help Ms. Sue -
**mytery**, Wednesday, October 10, 2012 at 1:01amWhy are you puting your homework answers here you should be ashamed of all of you people who put your answers on the internet this is called cheating if your smart enough to know what it is then don't do it!!!!!

- 7th grade Math quick help Ms. Sue -
**Anynamouse**, Thursday, October 11, 2012 at 12:17pmYOu GO TO CONNECTIONS ACADEMY BE ASHAMED OF YOU SELVES :(

- 7th grade Math quick help Ms. Sue -
**Anna**, Sunday, October 21, 2012 at 10:33amThis is the math unit test at connections academy. you should be ashamed.

- 7th grade Math quick help Ms. Sue -
**Meri**, Monday, November 5, 2012 at 1:36pmI know this counts on me too but how would you find this if you weren't cheating all of you at connections.

- 7th grade Math quick help Ms. Sue -
**GIR**, Tuesday, November 27, 2012 at 5:31pmYeah!!

- 7th grade Math quick help Ms. Sue -
**someone**, Wednesday, October 9, 2013 at 12:46pmcheaters are no good

- 7th grade Math quick help Ms. Sue -
**lollol**, Friday, October 25, 2013 at 4:58pmThats means youre no good. ^^^^^^^

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