Question

The population of columbus, ohio, in 2014 was about 823,000. the population of the united states was about 319 million in 2014. (
a. write each population in scientific notation. (
b. about how many times larger was the population of the united states than the population of columbus, ohio? show your work.

Answer 1

Answer:

a) Columbus,Ohio - 8.23 x 10^5

    United States- 3.19 x 10^8

b) 3 x 10^8  /   8 x 10^5  =  3/8  x  10^8 / 10^5 = 3/8 x 10^3 = 375

The United States is about 375 times larger than Columbus,Ohio.

Answer 2

Below are the solutions:
A) 
Ohio: 8.23 * 10^5
US: 3.19 * 10^8

B)
(3.19 * 10^8)/(8.23 * 10^5) = 3.19/8.23 * 10^8/10^5
= 3.19/8.23 * 10^3 = 0.387606318 * 10^3 
= 387.606318

The population of US is 387 times larger than that of Ohio's