Posted by **Nyla** on Friday, September 14, 2012 at 5:41pm.

8. One nanometer is about 0.00000003937 of an inch. What is this number in standard notation?

a. 3.937 x 10^-8

b. 3.937 x 10^8

c. 3.937 z 10^-7

d. 3.937 x 10^7

9. What is 3/8 written as a decimal?

a. 2.33333...

b. 0.375

c. 0.33333...

d. 2.667

10. According to the 2010 census data, the populaton of Texas was about 2.5 x 10^7 people. The land area of Texas is about 2.6 x 10^5 m^2. What is the average number of people per square mile?

a. 0.96 x 10^2

b. 9.6 x 10^1

c. 0.96 x 10^35

d. 9.6 x 10^12

11. Based on the 2010 census, the population of Georgia was 9.6 x 10^6. Which state has a larger population?

a. Alaska: 7.1 x 10^5

b. New York: 1.9 x 10^7

c. Wyoming: 5.6 x 10^5

d. Idaho: 1.5 x 10^6

12. Which of the following is an example of a integer?

a. square root of 5

b. 3

c. 1/3

d. 0.8

15. What is the solution to 2 6/7 / 2/14

- Math Help -
**Nyla**, Friday, September 14, 2012 at 5:59pm
can anybody help me

- Math Help -
**Nyla**, Friday, September 14, 2012 at 6:05pm
i got 9 and 12 i just need the rest

- Math Help -
**Henry**, Sunday, September 16, 2012 at 5:02pm
8. a.

9. b.

10. Density=2.5*10^7People/ 2.6*10^5m^2=

0.96*10^2 = 9.6*10^1 People/m^2.

Density=96People/m^2*2.56*10^6m^2/1mi^2=

2.5*10^8People/mi^2.

11. b. New York = 1.9*10^7 = 19.*10^6.

12. b.

15. (2 6/7)/(2/14) =

(20/7)/(1/7) = 20/7 * 7/1 = 20/1 = 20.

NOTE: 2/14 = 1/7.

- Math Help -
**bob**, Thursday, October 3, 2013 at 1:11pm
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

- Math Help -
**haylee **, Wednesday, October 8, 2014 at 7:14pm
I agree with bob, for your whole practice test:

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

- Math Help -
**KMA**, Tuesday, October 6, 2015 at 5:06pm
Is #12 b? The square root of 9??

- Math Help -
**YOLO**, Wednesday, October 7, 2015 at 6:11am
Bob and Haylee are right. Just got 100

- Math Help -
**pass_the_paris**, Monday, September 19, 2016 at 6:00pm
um no i got all of those wrong but i realized they were in the incorrect order on my page so yeahh

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