The correct answer (reported to the proper number of significant figures)to the following is __________. 12.75 x 1.3621 = _____
A)17.367
B)17.40
C)17.37
D)17.4
E)17.0

Question

Quizplus · Accepted Answer

We need to perform multiplication of 12.75 and 1.3621.

12.75 x 1.3621 = 17.367075

Since the second number has 5 significant figures, the answer should be reported to 5 significant figures. Therefore, the correct answer is 17.37.

Option A has an extra digit beyond the fifth significant figure, so it is incorrect. 
Option B rounds up beyond the fifth significant figure, which is also incorrect. 
Option D has only one decimal place, which is not enough precision for the significant figures given.
Option E is rounded to a whole number, which is not accurate enough.

The Correct Answer (Reported to the Proper Number of Significant