Question

About how many times greater is 9.6 x 10^30 than 2.1 x 10^28
A.) 4.6 times greater
B.) 2.187.5 times greater
C.) 21.9 times greater
D.) 457.1 times greater

Answer 1

Answer: D

Step-by-step explanation:

9.6/2.1 ~ 4.571

30 - 28 = 2

10^2 = 100

4.571*100 = 457.1