How many significant figures should the answer to the following calculation have?
(1.4312 - 1.1 × 10^-2) ÷ (1.0712 × 10^-4)

Question

How many significant figures should the answer to the following calculation have? (1.4312 - 1.1 × 10^-2)÷ (1.0712 × 10^-4) A)4 B)5 C)2 D)3

Quizplus · Accepted Answer

1.4312 has 5 significant figures, 1.1 × 10^-2 has 2 significant figures, and 1.0712 × 10^-4 has 5 significant figures. The answer should have the least number of significant figures of the numbers being added or subtracted, which is 2.

How Many Significant Figures Should the Answer to the Following