#### Answer

$\sqrt 2-1$

#### Work Step by Step

The absolute value of a positive number is simply the number itself. Since $\sqrt 2-1$ is positive, $|\sqrt 2-1|=\sqrt 2-1$.

Published by
Pearson

ISBN 10:
0-13446-914-3

ISBN 13:
978-0-13446-914-0

$\sqrt 2-1$

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