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OpenStudy (anonymous):
Evaluate -a4 and (-a)4, for a = 2.
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OpenStudy (anonymous):
plug in: -2*4 and (-2)*4
OpenStudy (anonymous):
the first one, first multiple then add the- (-8) the second isfirst negate, then multiple so its -8
OpenStudy (anonymous):
thank you. that helps a lot
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