4(b) Calculate 1.1423 × (3.7208 - 2.1109) to 3 Significant Figures

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10/23/2025

Problem

Calculate 1.1423 \\times (3.7208 - 2.1109) using a calculator. Give your answer correct to 3 significant figures.

Solution

1.84

3.7208 - 2.1109 = 1.6099, 1.1423 \\times 1.6099 = 1.8377, round to 3 significant figures: 1.84.

significant figures

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