Basic College Mathematics (9th Edition)

Published by Pearson
ISBN 10: 0321825535
ISBN 13: 978-0-32182-553-7

Chapter 1 - Whole Numbers - 1.8 Exponents, Roots, and Order of Operations - 1.8 Exercises: 51

Answer

63

Work Step by Step

First do parentheses, then do exponents, then multiply, then add. 3^2 + 6^2 + (30-21)*2 = 3^2 + 6^2 + 9*2 = 9 + 36 + 9*2 = 9 + 36 + 18 = 63
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