After carrying out the following operations, how many significant figures are appropriate to show in the result? (13.7 + 0.027) /8.221
A)1
B)2
C)3
D)4
E)5

Question

Quizplus · Accepted Answer

The result of the operation is 8.22104. The least precise measurement in the calculation is 0.027, which has only two significant figures. So, the final answer should also have two significant figures. Therefore, choice C, which shows three significant figures, is the best option.

After Carrying Out the Following Operations, How Many Significant Figures