Question

A 747 airplane weighs about 600,000 pounds. It can also be expressed as approximately 3 x 10^n tons. If there are 2,000 pounds in 1 ton, which is the most reasonable value of n?

Answer 1

600,000 pound = 300 tons

3 * 10^n  = 300

10^n = 100

10^2 = 100

so n = 2

Answer 2

C................................