Answer
a) $5-\sqrt 5$
b) $10-\pi$
Work Step by Step
a) $(\sqrt 5-5)$ is negative because $5\gt\sqrt 5$. Therefore, $|\sqrt 5-5|=-(\sqrt 5-5)=5-\sqrt 5$
b) Since $10\gt\pi$, the expression is already positive. Therefore, the answer is $10-\pi$.
College Algebra 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
Published by
Brooks Cole
ISBN 10:
1305115546
ISBN 13:
978-1-30511-554-5
Chapter P, Prerequisites - Section P.2 - Real Numbers - P.2 Exercises - Page 16: 68
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