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
Basic College Mathematics (9th Edition)
by Lial, Margaret L.; Salzman, Stanley A.; Hestwood, Diana L.
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 - Page 80: 51
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