The diameter of a human hair is approximately 8 x 10^-5
meters. The diameter of a spider's silk is 4 x 10^-6 meters.
How much greater is the diameter of a human hair than
the diameter of a spider's silk?
•Write your final answer in scientific notation, and round
to two decimal places.
•Type your answer with NO spaces and ^ (shift 6). Only
type in the numerical answer.