#### Answer

-18

#### Work Step by Step

To multiply two numbers with different signs, multiply the absolute values. Place a negative sign before the product.
$(-9)(+2)=-(|-9|)(|+2|)=-(9)(2)=-18$

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Published by
Brooks Cole

ISBN 10:
1285199197

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

-18

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