What is the answer, with the correct number of significant figures, for this problem?
4.392 g + 102.40 g + 2.51 g =

Question

What is the answer, with the correct number of significant figures, for this problem? 
4.392 g + 102.40 g + 2.51 g =

Quizplus · Accepted Answer

The addition requires alignment of decimal points.

4.392 g
       +102.40 g
       +  2.51 g
      ----------
      109.302 g

The answer has three decimal places because the measurements being added have three decimal places. Therefore, the correct answer is D, 109.30 g.

What Is the Answer, with the Correct Number of Significant