Intermediate Algebra (12th Edition)

Published by Pearson
ISBN 10: 0321969359
ISBN 13: 978-0-32196-935-4

Chapter 7 - Review Exercises: 11

Answer

-6.856

Work Step by Step

We can find a decimal approximation for $-\sqrt 47$ by plugging the given radical into a calculator. $-\sqrt 47\approx-6.856$ This make sense, given that $-\sqrt 49=-(7)=-7$.
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