Which one of the choices below represents the preferred practice regarding significant figures when adding the following: 14.4+13+55.12+2.774?
A) 85.2940
B) 85.294
C) 85.29
D) 85.3
E) 85

Question

Which one of the choices below represents the preferred practice regarding significant figures when adding the following: 14.4+13+55.12+2.774?
A) ​85.2940
B) ​85.294
C) ​85.29
D) ​85.3
E) ​85

Quizplus · Accepted Answer

When adding numbers, the result should be rounded to the least number of decimal places in any of the numbers being added. Here, the number 13 has no decimal places, so the sum should be rounded to the nearest whole number, which is 85.

Which One of the Choices Below Represents the Preferred Practice