$\"\"$

The first term is $\"\"$ , common ratio is $\"\"$ and n = 8.

(Apply nth term of a geometric sequence formula: $\"\"$ )

$\"\"$ (Substitute 5 for $\"\"$ and $\"\"$ for r)

$\"\"$ (Substitute n = 8)

$\"\"$ (Simplify) $\"\"$

The nth term of the geometric sequence is $\"\"$

and 8th term of the sequence is $\"\"$ .