Elementary Technical Mathematics

Published by Brooks Cole
ISBN 10: 1285199197
ISBN 13: 978-1-28519-919-1

Chapter 5 - Review - Page 232: 1


$a\cdot 1=a$.

Work Step by Step

We know that multiplying a number by $1$ does not change it. Thus, for any number $a$, $a\cdot 1=a$.
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