Question

If the Jet Propulsion laboratory has a photograph of the Mars Rover measuring 1.5 meters by 2 meters, how

many square inches does the photograph contain?

Answer 1

about 4650 square inches

Explanation:

The area is the product of length and width. Each conversion factor cancels a unit we don't want and replaces it with a unit we do want.

(1.5 m)(2 m)((1 in)/(0.0254 m))^2 = 3/.00064516 in^2 = 4650.0093... in^2

≈ 4650 in^2

The photograph has an area of 4650 square inches.