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OpenStudy (anonymous):
Which expression is equivalent to 7^-2
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OpenStudy (anonymous):
1/7^2
OpenStudy (anonymous):
options!!!!
OpenStudy (anonymous):
or 1/49
OpenStudy (anonymous):
Evaluate a-2 for a = 8 @FriedRice could you help me with this one too
OpenStudy (anonymous):
wait is the question suppose to be a^-2??
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OpenStudy (anonymous):
Yes its suppose to be that
OpenStudy (anonymous):
then it 1/a^2
OpenStudy (anonymous):
these are the answers 1/-16 1/-64 1/64 –64
OpenStudy (anonymous):
then it is the third one
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