Question

how long is a long - distance running race? select the best estimate. 28 meters 28 kilometers 28 centimeters 28 millimeters

Explanation:

Step1: Analyze each option

28 meters is a short - distance. 28 centimeters and 28 millimeters are extremely short lengths. Long - distance running races are typically several kilometers long.

Step2: Select the appropriate option

Among the given options, 28 kilometers is the most reasonable estimate for a long - distance running race.

Answer:

28 kilometers