Question

The fundamental SI unit of length is the meter. However, we often deal with larger or smaller lengths or distances for which multiples or fractions of the fundamental unit are more useful. For each of the following situations, suggest what fraction or multiple of the meter might be the most appropriate measurement.

 a. the distance between Chicago and Saint Louis

 b. the size of your bedroom

 c. the dimension of a textbook

 d. the thickness of a hair