Question

12 what is the factor multiplying the base unit for a kilometer? (a) 0.001 (b) 10 (c) 100 (d) 1000

Explanation:

Step1: Recall metric - prefix definition

The prefix "kilo -" in the metric system means 1000. A kilometer is 1000 meters, where the base unit is the meter. So the factor multiplying the base unit (meter) for a kilometer is 1000.

Answer:

D. 1000