How many significant figures should be reported in the answer to the following calculation? (4.921)+ (16.2)=
A)3
B)2
C)1
D)4
E)none of the above

Question

Quizplus · Accepted Answer

When adding numbers, the result should have the same number of decimal places as the number with the fewest decimal places in the operation. Since 16.2 has only one decimal place, the result should also have one decimal place, which corresponds to three significant figures in this case.

How Many Significant Figures Should Be Reported in the Answer