Question

Estimate how many times larger 10 x 10^9 is than 99 x 10^6

A) 10 times larger


B) 50 times larger


C) 100 times larger


D) 500 times larger

Answer 1

10 x 10^9 = 10^10

99 x 10^6 = 100 x 10^6 = 10^8

10^10 - 10^8 = 10^2 = 100

answer: C) 100 times larger