Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 2 - Section 2.5 - Order of Operations - Exercise Set: 66

Answer

3

Work Step by Step

$x^{2}$ + z Replace x with -2, z with -1, and simplify =$(-2)^{2}$ + (-1) = 4-1 =3
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