Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 1 - Section 1.2 - Operations with Real Numbers and Simplifying Algebraic Expressions - Exercise Set - Page 27: 65



Work Step by Step

Having an exponent of 4 means that the base (which is -1) will be multiplied by itself four times. Thus, we obtain: $(-1)^4 \\=(-1)(-1)(-1)(-1) \\=1(-1)(-1) \\=-1(-1) \\=1$
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.