Thinking Mathematically (6th Edition)

Published by Pearson
ISBN 10: 0321867327
ISBN 13: 978-0-32186-732-2

Chapter 5 - Number Theory and the Real Number System - 5.4 The Irrational Numbers - Exercise Set 5.4: 16

Answer

(a) $\sqrt{2\pi} \approx 2.5$ (b) $\sqrt{2\pi} \approx 2.51$ (c) $\sqrt{2\pi} \approx 2.507$

Work Step by Step

Evaluate using a calculator to find: $\sqrt{2\pi} \approx 2.507132...$ Then, follow the directions to round, rounding up numbers that are 5 or greater and rounding down numbers that are 4 or less. (a) $\sqrt{2\pi} \approx 2.5$ (b) $\sqrt{2\pi} \approx 2.51$ (c) $\sqrt{2\pi} \approx 2.507$
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