Respuesta :

Answer:

C

Step-by-step explanation:

Substitute n = 8 into the explicit rule

[tex]a_{8}[/tex] = - [tex]\frac{1}{125}[/tex] × [tex]5^{7}[/tex]

                        = - [tex]\frac{1}{5^{3} }[/tex] × [tex]5^{7}[/tex]

                       = - [tex]5^{4}[/tex] = - 625 → C