Find the Sum of the Convergent Series $$\sum _ { n = 0 } ^ { \infty } 9 \left( \frac { 4 } { 5 } \right) ^ { n }$$

Multiple Choice

Find the sum of the convergent series. $$\sum _ { n = 0 } ^ { \infty } 9 \left( \frac { 4 } { 5 } \right) ^ { n }$$

A) 4
B) 36
C) 9
D) 27
E) 45