Question

How many times larger is 7 x 10^5 than 2 x 10^3?

A) 3.5
B) 35
C) 3,500
D) 350

Answer 1

`\cfrac{7* 10^(5)}{2* 10^(3)}\implies \cfrac{7}{2}*\cfrac{10^5}{10^3}\implies \cfrac{7}{2}* 10^5\cdot 10^(-3)\implies \cfrac{7}{2}* 10^(5-3) \\\\\\ \cfrac{7}{2}* 10^2\implies 3.5* 100\implies 350`

Answer 2

It is D)350 i know because when you get the answer for both just divide