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OpenStudy (anonymous):
If b = 3, then b -2 is equivalent to _____. A,9 B,-9 C,-6 D,1/9 please help me:(
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OpenStudy (anonymous):
Do you mean b^-2?
OpenStudy (anonymous):
yea i guess its 1/9
OpenStudy (anonymous):
yes
OpenStudy (anonymous):
So yeah just plug in 3 instead of b: \[3^{-2} = \frac{ 1 }{ 9 }\]
OpenStudy (anonymous):
thanks:)
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