Respuesta :

sqdancefan

9514 1404 393

Answer:

  3

Step-by-step explanation:

The applicable rule of exponents is ...

  (a^b)/(a^c) = a^(b-c)

__

  [tex]\dfrac{19^{10}}{19^7}=19^{10-7}=\boxed{19^3}[/tex]

The exponent of interest is 3.

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