Question

Multiply (2.1 x 10^3) x (3.5 x 10^2)

A. 7.35 x 10^5
B. 3.6 10^1
C. 6.9 x 10^3
D. 2.83 x 10^2

Answer 1

The answer is A. 7.35 x 10^5
You multiply 2.1 by 3.5 and you add the exponents which are 3 and 2.

Hope this helps!