Respuesta :

sqdancefan

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Answer:

  1/5^6

Step-by-step explanation:

The applicable rules of exponents are ...

 (a^b)^c = a^(bc)

  a^-b = 1/a^b

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 [tex](5^{-2})^3=5^{(-2)(3)}=5^{-6}=\boxed{\dfrac{1}{5^6}}[/tex]