Question

Multiply (1.2 ⋅ 1028) ⋅ (3 ⋅ 10−19). Express the answer in scientific notation.

3.6 ⋅ 109
3.6 ⋅ 1010
36 ⋅ 109
36 ⋅ 1010

Answer 1

The answer would be option A:

3.6 x 10^9

Answer 2

The answer would be A. 3.6 × 10 9

Explanation: