Question

The population of Greenvillie is approximately 75 times the population of fairview. The 3.75 x 10 to the power of 5 people living in Greenvillie. approximately how many people are living in fairview ?

A. 5 x 10 ti the power of 3

B. 5 x 10 to the power of 4

C. 3 x 10 to the power of 5

D. 3 x 10 to the power of 7

Answer 1

The answer is a. 5 x 10³.

3.75 x 10^5 = 375,00.( population of Greenville)
 
375,000 ÷ 75 = 5,000 ( population of Fairview)

5 x 10³(1,000)= 5,000.

Answer 2

scientifict notation=(number greater than or equal to 1 and less than 10) times 10^n

reemmber
(x^m) times (x^n)=x^(m+n)
greenville=75fairfview
greenville/75=fairview

3.75/75*10^5=
0.05*10^5=
5 times 10^-2 times 10^5=
-2+5=3
5 times 10^3

the answer is A