Using the arithmetic problem below, determine the correct number of significant figures.(1.5 * 10^-4 * 61.3) + 2.01 = A) 2.0192 B) 2.0 C) 2.019 D) 2.02 E) 2.019195

Question

Quizplus · Accepted Answer

The multiplication (1.5 * 10^-4 * 61.3) has 2 significant figures (from 1.5), so the result should be rounded to 2 significant figures. Adding 2.01 (which has 3 significant figures) means the final answer should be rounded to the least number of decimal places in the addition, which is 2 decimal places, resulting in 2.02.

Using the Arithmetic Problem Below, Determine the Correct Number of Significant