Question

What is (1.2 × 10^2) × (3 × 10^–5)?

A.
3.6 × 10^–4

B.
3.6 × 10^–3

C.
3.6 × 10^3

D.
3.6 × 10^4

Answer 1

Ok so now this makes sense!

When multiplying the values altogether, you are adding the exponents for base 10.

1.2 * 3 * 10^(2 + (-5))
= 3.6 * 10^(-3)

Answer 2

thanks!