#### Answer

$21$

#### Work Step by Step

The product of two integers with the same signs is positive.
Thus,
$(-7)(-3)=+21=21$

Published by
Brooks Cole

ISBN 10:
1285199197

ISBN 13:
978-1-28519-919-1

$21$

The product of two integers with the same signs is positive.
Thus,
$(-7)(-3)=+21=21$

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