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Studentka2010 [4]
4 years ago
12

Simplify the expression:(5y^7)^-3

Mathematics
1 answer:
Nezavi [6.7K]4 years ago
4 0
(a^{m} )^{n} =a^{m*n}
a^{-n} = \frac{1}{ a^{n} }


(5y^{7} )^{-3} =5y^{7*(-3)} = \frac{1}{(5y)^{7*3} } = \frac{1}{125y^{21} }
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