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OpenStudy (anonymous):
Simplify the following expression: (−1)(−7)(4)
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OpenStudy (welshfella):
what is -1 * -7 ?
OpenStudy (anonymous):
-7
OpenStudy (anonymous):
?
OpenStudy (welshfella):
No negative * negative = plus
OpenStudy (anonymous):
7
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OpenStudy (welshfella):
yes now you need to multiply 7 by 4
OpenStudy (welshfella):
and that gives you the answer.
OpenStudy (anonymous):
28
OpenStudy (welshfella):
correct
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