math help
posted by :) .
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

See your previous post.