Respuesta :

[tex]a {}^{n} = 79[/tex]

[tex]n = ?[/tex]

[tex]a = 3[/tex]

[tex]79 = 3 + (n - 1) \times 5[/tex]

[tex]76 = 5n - 5 \\ 81 = 5n \\ n = 16.2[/tex]

16.2 is the answer