Answer
When there is a negative sign involved with a number that's being squared, the parentheses will tell you whether the exponent applies to the negative sign.
Work Step by Step
ex. $(-3)^{2}$ = 9 but $-3^{2}$ = -9
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 2 - Section 2.4 - Multiplying and Dividing Integers - Vocabulary, Readiness & Video Check - Page 127: 8
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