Given the following expression:

$$(0.523)(1.2161 - 0.99) + \left( \frac{2.648}{0.87} \right)(84 - 81.98)$$

How many significant figures should be reported in the final answer, and what is the value rounded to the correct number of significant figures?

Question

Given the following expression:

$$(0.523)(1.2161 - 0.99) + \left( \frac{2.648}{0.87} \right)(84 - 81.98)$$

How many significant figures should be reported in the final answer, and what is the value rounded to the correct number of significant figures?

Accepted Answer

0.19 (2 significant figures)

Step-by-Step Guidance for Significant Figures and Arithmetic Operations