Question

What is the correct simplification of the expression in the box,

written in scientific notation?
(3.0 x 10-2)(7.2 x 108)

O 21.6 x 10-6
O 2.16 x 10-5
O 21.6 x 106
O 2.16 x 107
sciencetific Notation

Answer 1

2.16 x 10^7

Explanation:

3.0*7.2 = 21.6

10^-2 * 10^8 = 10^6

21.6 x 10^6

2.16x10^7