Consider these scenarios.
 
1. an elephant weighs 1.5 × 104 units.
 
2. a mouse weighs 6.3 × 10-2 units.
 
3. a puppy weighs 1.2 × 102 units.
determine the unit of measurement that best represents each scenario.
1.
2.
3.

The unit of measurement that represents each scenario are:

The unit of measurement is a standard entity that is used to represent and express the magnitude of a physical quantity.

By following the standard unit of measurement;

Weight is a physical quantity and can be measured in grams or kilograms.

From the parameters given:

Learn more about the unit of measurement here:

link

4a. is 3 miles every hour

4b. is 1/3 of an hour per mile

step-by-step explanation: