Respuesta :

sqdancefan

Answer:

  D)  m^5·n^7

Step-by-step explanation:

The applicable rule for exponents is ...

  (a^b)^c = a^(b·c)

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  [tex](m^{\frac{5}{2}}n^{\frac{7}{2}})^2=m^{\frac{5}{2}\cdot2}n^{\frac{7}{2}\cdot2}=\boxed{m^5n^7}[/tex]