Determine the answer to the following equation with correct number of significant figures: (17.103 + 2.03)× 1.02521 = ________
A)19.6153
B)19.62
C)19.6
D)20
E)none of the above

Question

Quizplus · Accepted Answer

(17.103 + 2.03) × 1.02521 = 19.133 × 1.02521 = 19.6153

Since 17.103 and 2.03 have three and two significant figures, respectively, and the multiplication involves all these numbers, we need to limit the answer to the least number of significant figures given in the problem, which is 4. Therefore, the answer should be rounded off to 19.62, making B the correct choice.

Determine the Answer to the Following Equation with Correct Number