Question

Convert the following (to the appropriate number of significant figures):

40.75 miles to kilometers

Answer 1

To convert 40.75 miles to kilometers, multiply by the conversion factor 1.60934 km/mile and round to three significant figures.

Step-by-step explanation:

To convert 40.75 miles to kilometers, we use the conversion factor 1 mile = 1.60934 kilometers. The significant figures in the conversion factor are not relevant because it is a defined conversion.

So, we multiply 40.75 miles by the conversion factor:

40.75 miles x 1.60934 km/mile = 65.732675 km

Rounding to three significant figures gives us the final answer: 65.7 km.