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OpenStudy (hiyathere_20):
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OpenStudy (hiyathere_20):
jhonyy9 (jhonyy9):
81 is a square of what number ?
OpenStudy (mhchen):
\[\frac{ 1 }{ 729 }\] I'm assuming ur being lazy so I just provided the answer :P If you need help though, just mention me again.
jhonyy9 (jhonyy9):
81 = 9*9 = 9^2
jhonyy9 (jhonyy9):
9^2(-3/2) = 9^(-3) = 1/9^3
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