Question: Identify whether you would perform the following unit conversions by definition, by conversion factors, by geometry, or by scientific law. a. How many square miles

Identify whether you would perform the following unit conversions by definition, by conversion factors, by geometry, or by scientific law.

a. How many square miles in a square kilometer?

b. How many microfarads in a farad?

c. What is the weight on Earth in N of an object with a mass of 10.0 kg?

d. How many square miles on the surface of the Earth?

Assume that on the surface of the Earth, g = 9.81 m/s² = 32.2 ft/s² (i.e., each to three significant figures). Make sure you are reporting the solution to the proper number of significant figures.

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