4(a) Calculate 13.723 + 8.451 - 2.765 to 3 Significant Figures

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10/23/2025

Problem

Calculate 13.723 + 8.451 - 2.765 using a calculator. Give your answer correct to 3 significant figures.

Solution

19.4

13.723 + 8.451 = 22.174, 22.174 - 2.765 = 19.409, round to 3 significant figures: 19.4.

significant figures

calculation