Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 1 - Introduction to Algebraic Expressions - 1.4 Positive and Negative Real Numbers - 1.4 Exercise Set - Page 36: 93



Work Step by Step

Because each digit of $0.1\bar 1$ is exactly one-third of the corresponding digit in $0.3\bar 3$, $0.1\bar 1$ is exactly 1/3 of $0.3\bar 3$, so $0.1\bar 1=(1/3)*(1/3)=1/9$.
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