If the following arithmetic operations are carried out, how many significant figures should be reported in the answer?
32 +0.56 + 0.210+ 3.3

Question

If the following arithmetic operations are carried out, how many significant figures should be reported in the answer?
 32 +0.56 + 0.210+ 3.3

Quizplus · Accepted Answer

In addition and subtraction, the answer should have the same number of decimal places as the measurement with the least number of decimal places. Here, the least number of decimal places is 1 (in "3.3"), so the answer should have 1 decimal place, which corresponds to 2 significant figures.

If the Following Arithmetic Operations Are Carried Out, How Many