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

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

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