If the following arithmetic operations are carried out,how many significant figures should be reported in the answer? 132 + 0.56 + 0.01 + 3.33

Question

Quizplus · Accepted Answer

When adding or subtracting numbers, the answer should be reported with the same number of decimal places as the number with the least decimal places. In this case, all the numbers have two decimal places, so the answer should also have two decimal places. Therefore, the answer would be 135.90, which has three significant figures. Since the original numbers all have at least three significant figures, the answer should also have three significant figures. Therefore, the best choice is C, which has three significant figures.

If the Following Arithmetic Operations Are Carried Out,how Many Significant