Use Summation Notation to Write the Sum $8 + 16 + 32 + \ldots + 1024$

Multiple Choice

Use summation notation to write the sum. $8 + 16 + 32 + \ldots + 1024$

A) $\sum _ { n = 1 } ^ { 8 } 8 ( 2 ) ^ { n + 1 }$
B) $\sum _ { n = 1 } ^ { 8 } 8 ( 2 ) ^ { n - 1 }$
C) $\sum _ { n = 1 } ^ { 8 } 8 ( 2 ) ^ { n }$
D) $\sum _ { n = 1 } ^ { 7 } 8 ( 2 ) ^ { n - 1 }$
E) $\sum _ { n = 1 } ^ { 8 } ( 2 ) ^ { n - 1 }$