Find the Sum of the Infinite Geometric Series $\sum _ { n = 0 } ^ { \infty } 4 ( 0.8 ) ^ { n }$

Multiple Choice

Find the sum of the infinite geometric series. $\sum _ { n = 0 } ^ { \infty } 4 ( 0.8 ) ^ { n }$

A) 24
B) 20
C) 22
D) 21
E) 19