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  • 28-06-2018
  • Mathematics
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Simplify the expression:
(5y^7)^-3

Respuesta :

KONSETON
KONSETON KONSETON
  • 28-06-2018
[tex](a^{m} )^{n} =a^{m*n} [/tex]
[tex]a^{-n} = \frac{1}{ a^{n} } [/tex]


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