What answer should be reported, with the correct number of significant figures, for the following calculation? (249.362 + 42) / 63.498
A) 4.6
B) 4.59
C) 4.589
D) 4.5885
E) 4.58852

Question

Quizplus · Accepted Answer

The number 42 has the least number of decimal places (0), so the result should be rounded to the nearest whole number, but since the division is involved, we consider significant figures. The number 42 has 2 significant figures, so the final answer should have 2 significant figures, which is 4.59.

What Answer Should Be Reported, with the Correct Number of Significant