Respuesta :

In this case, we'll have to carry out several steps to find the solution.

Step 01:

Data

1,5,25,125,..

Step 02:

[tex]an=5^{n-1}[/tex]

if n = 8

[tex]a_8=5^{8-1}=5^7=78125[/tex]

The answer is:

8th term is 78125