Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 11 - Additional Topics - 11.3 - Fractional Exponents - Problem Set 11.3: 24

Answer

-4

Work Step by Step

First of all, remember that raising a number to the ½ power is the same as taking the square root of that number. Also, recall, when a number is raised to the second power, the square root cancels out the exponent. Thus, we obtain: $-\sqrt{16}=-\sqrt{4^{2}}=-4$
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.