College Algebra (10th Edition)

Published by Pearson
ISBN 10: 0321979478
ISBN 13: 978-0-32197-947-6

Chapter R - Section R.2 - Algebra Essentials - R.2 Assess Your Understanding - Page 28: 107



Work Step by Step

$x^y$ if x=2 and y=-1. Substitute the values: $(2)^{-1}.$ Take the reciprocal of the base: $\frac{1}{2^1}.$ Therefore, the answer is: $\frac{1}{2}.$
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