Perform the following addition and express the answer to the correct number of significant figures.
12.47 g + 1.026 g + 135.8 g

Question

Quizplus · Accepted Answer

In addition, the result should have the same number of decimal places as the measurement with the least number of decimal places. Here, 12.47 g has two decimal places, 1.026 g has three, and 135.8 g has one. Therefore, the result should be rounded to one decimal place, making 149.3 g the correct answer.

Perform the Following Addition and Express the Answer to the Correct