How do I solve this to, my teacher gave me this work and still don't understand most of it.

Question

asked Jan 16, 2023 120k views

1 Answer

Tanathos · Answer 1 · 2023-01-21T04:20:25+0000

Answer:

A

Explanation:

using the rule of exponents

(a^(m) )/(a^(n) ) =
a^((m-n))

to find how many times larger 9 ×
10^(7) is than 3 × 10³, divide , that is

(9 ×
10^(7) ) ÷ (3 × 10³)

=
(9)/(3) ×
(10^7)/(10^3)

= 3 ×
10^((7-3))

= 3 ×
10^(4)