Question

question 13: which unit conversion would correctly convert 1 kilometer to meters? a. 1 km = 1000 m b. 1 km = 100 m c. 1 km = 10 m d. 1 km = 0.001 m question 14: what is the importance of using correct conversion factors in dimensional analysis? a. they ensure the final answer has the desired units b. they alter the physical properties of substances c. they determine the reaction mechanism d. they make calculations more difficult

Explanation:

Step1: Recall metric - prefix relationship

The prefix "kilo -" means 1000. So 1 kilometer is 1000 meters.

Step2: Analyze importance of conversion factors

In dimensional analysis, conversion factors are used to change units. Their main purpose is to ensure the final answer has the desired units.

Answer:

Question 13: A. 1 km = 1000 m
Question 14: A. They ensure the final answer has the desired units