Question

Which shows the expression below simplified?

(6 × 10^7) × 0.007

A.
1.3 x 10^-21

B.
4.2 x 10^4

C.
4.2 x 10^-21

D.
4.2 x 10^5

Answer 1

The expression (6 × 10^7) × 0.007 simplified is 4.2 x 10^5.

Explanation: