Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 1 - Section 1.4 - Properties of Real Numbers and Algebraic Expressions - Exercise Set - Page 39: 30


$-\frac{1}{11}$, 11

Work Step by Step

We are given that a number $a=\frac{1}{11}$. We know that the opposite of a number $a$ is $-a$, so the opposite of $a=\frac{1}{11}$ will be $-a=-\frac{1}{11}$. We know that the reciprocal of a nonzero number $a$ is the number $\frac{1}{a}$, where $a\times\frac{1}{a}=1$ $\frac{1}{a}=11$ $\frac{1}{11}\times11=1$
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