Determine Whether the Sequence Is Arithmetic $\frac { 1 } { 5 } , \frac { 3 } { 5 } , \frac { 9 } { 5 } , \frac { 27 } { 5 } , \frac { 81 } { 5 } , \ldots$

Multiple Choice

Determine whether the sequence is arithmetic. If so, find the common difference. $\frac { 1 } { 5 } , \frac { 3 } { 5 } , \frac { 9 } { 5 } , \frac { 27 } { 5 } , \frac { 81 } { 5 } , \ldots$

A) $\frac { 3 } { 5 }$
B) $\frac { 9 } { 5 }$
C) 2
5
D) $\frac { 81 } { 5 }$
E) The sequence is not arithmetic.