Question

Valarie used a laser to measure the average thickness of a human hair which is 0.0032 meters thick. A grain of sand is 0.0024 meters thick. How do the two thicknesses compare?

Answer 1

The human hair would be 0.0008 meters thicker, or 8 ×
`10^(-4)`.

Explanation:

Thickness of a Human Hair: 3.2 ×
`10^(-3)`

Grain of Sand: 2.4 ×
`10^(-3)`

3.2 ×
`10^(-3)` - 2.4 ×
`10^(-3)`

Answer 2

A human hair is 0.0008 meters thicker.

i think....

Explanation: