To the correct number of significant figures,an automobile traveling at 28 mi/h is traveling at ________ km/h (1 km = 0.6214 mi).
A)17
B)17.40
C)45
D)45.06

Question

Quizplus · Accepted Answer

To convert 28 mi/h to km/h, divide by 0.6214. The result is approximately 45.06 km/h, which rounds to 45 km/h to the correct number of significant figures (2 significant figures, matching the 28 mi/h).

To the Correct Number of Significant Figures,an Automobile Traveling at 28