7 Round 1/(√π - 3.14) to 3 Significant Figures

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10/23/2025

Problem

Round off \\(\\frac{1}{\\sqrt{\\pi} - 3.14}\\) correct to 3 significant figures.

Solution

-45.7

\\sqrt{\\pi} \\approx 1.7725, 1.7725 - 3.14 = -1.3675, \\frac{1}{-1.3675} \\approx -0.7311, round to 3 significant figures: -45.7.

significant figures

calculation