Question

What is (3 x 10^3) / (12 x 10^6)?

A. 0.25 x 10^-4
B. 0.25 x 10^-3
C. 2.5 x 10^-4
D. 2.5 x 10^-3

Answer 1

B

Explanation:

(3×10³)/(12×10^6)

=(3/12)(10³/10^6)

=(1/4)(10³-^6)

=(1/4)(10-³)

=0.25×10-³