#### Answer

An identity is an equation that is true for every real number for which both sides are defined. For example, we have $a*1=a$.

#### Work Step by Step

$a*1=a$ and $a+0=a$ are the identity properties of multiplication and addition, respectively.

Published by
Pearson

ISBN 10:
0-32178-228-3

ISBN 13:
978-0-32178-228-1

$a*1=a$ and $a+0=a$ are the identity properties of multiplication and addition, respectively.

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