Find a Formula for the Nth Term of the Sequence $$\frac { 1 } { 5 } , \frac { 1 } { 25 } , \frac { 1 } { 125 } , \frac { 1 } { 625 } , \ldots$$

Multiple Choice

Find a formula for the nth term of the sequence. $$\frac { 1 } { 5 } , \frac { 1 } { 25 } , \frac { 1 } { 125 } , \frac { 1 } { 625 } , \ldots$$

A) $a _ { n } = \frac { 1 } { 5 n }$
B) $a _ { n } = \frac { 1 } { 5 ^ { n } }$
C) $a _ { n } = 5 ^ { \frac { 1 } { n } }$
D) $a _ { n } = \frac { 1 } { n ^ { 5 } }$