Find the Fourth Term of the Geometric Sequence Given $a _ { 1 } = 7$

Multiple Choice

Find the fourth term of the geometric sequence given $a _ { 1 } = 7$ and $\boldsymbol { r } = \frac { 1 } { 7 }$

A) $a _ { 4 } = \frac { 1 } { 7 }$
B) $a _ { 4 } = - \frac { 1 } { 4 g }$
C) $a _ { 4 } = \frac { 1 } { 14 }$
D) $a _ { 4 } = \frac { 1 } { 49 }$
E) $a _ { 4 } = 49$