Respuesta :

sqdancefan

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Answer:

  10x^6

Step-by-step explanation:

The applicable rule of exponents is ...

  (a^b)(a^c) = a^(b+c)

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  [tex](5x^4y^5)(2x^2y^{-5})=(5)(2)(x^{4+2})(y^{5-5})=10x^6y^0=\boxed{10x^6}[/tex]

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