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

User Gmustudent
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(a^(m) )^(n) =a^(m*n)

a^(-n) = (1)/( a^(n) )



(5y^(7) )^(-3) =5y^(7*(-3)) = (1)/((5y)^(7*3) ) = (1)/(125y^(21) )
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