What is the answer, to the correct number of significant figures, to the following: 10.34 + 9.4 = ____?
A)19.74
B)19.7
C)19.0
D)19.8

Question

Quizplus · Accepted Answer

When adding numbers, the result should have the same number of decimal places as the number with the least decimal places in the question. Since 9.4 has only one decimal place, the answer should also have one decimal place, making 19.7 the correct answer.

What Is the Answer, to the Correct Number of Significant