# math help

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1. Which of the following is greater than 4.3 x 10^9

a. 2.1 x 10^9

b. 3.2 x 10^9

c. 5.3 x 10^9

d. 7.4 x 10^8

2. Which of the following is less than 6.5 x 10^-5

a. 1.4 x 10^-3

b. 2.5 x 10^-4

c. 7.8 x 10^-5

d. 4.6 x 10^-6

3. According to the 2010 census, the population of Nebraska was 1.8 x 10^6 people. Which state had a smaller population?

a. California: 3.7 x 10^7

b. Rhode Island: 1.1 x 10^6

c. Texas: 2.5 x 10^7

d. Missouri: 6 x 10^6

4. Which is greater?

7.08 x 10^15 or 7.65 x 10^14 or 7.65 x 10^4

a. 7.08 x 10^15

b. 7.65 x 10^14

c. They are equal.

d. 7.65 x 10^4