Find the General Term, An, of the Given Geometric Sequence $49,7,1 , \ldots$

Multiple Choice

Find the general term, an, of the given geometric sequence.
- $49,7,1 , \ldots$

A) $a _ { n } = 7 ^ { n }$
B) $a _ { n } = 7 ( n - 1 )$
C) $a _ { n } = 7 ^ { n - 1 }$
D) $a _ { n } = 7 ^ { 3 - n }$