Question

What is the product below expressed in scientific nontation?

(2.1 x 10^3) (3x 10^6)

A. 6.3 x 10^3
B. 6.3 x 10^6
C. 6.3 x 10^9
D. 6.3 x `10^18

Answer 1

6.3 * 10^9

Explanation:

Multiply the 2.1*3 to get 6.3 and add the powers 6+3 to get 9.