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

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) $\sum _ { n = 1 } ^ { 8 } ( 2 ) ^ { n - 1 }$

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