Respuesta :

devishri1977

Answer:

Step-by-step explanation:

[tex]4^{n} = 16 \\\\4^{n} = 4^2\\\\[/tex]

n = 2

2)

[tex]3^{n} =\frac{1}{81}\\\\ = \frac{1}{3^{4}}\\\\3^{n} = 3^{-4}[/tex]

n = -4

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