Find the sum of the indicated terms of the geometric sequence. $$\sum _ { n = 1 } ^ { n = 4 } 7 ( 2 ) ^ { n - 1 }$$
A) $\quad s = 210$
B) $\quad s = 98$
C) $\quad s = 119$
D) $s = 105$
E) $s = 112$

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The Answer of Find the sum of the indicated terms of the geometric sequence. $$\sum _ { n = 1 } ^ { n = 4 } 7 ( 2 ) ^ { n - 1 }$$
A) $\quad s = 210$
B) $\quad s = 98$
C) $\quad s = 119$
D) $s = 105$
E) $s = 112$

Find the Sum of the Indicated Terms of the Geometric ∑n=1n=47(2)n−1\sum _ { n = 1 } ^ { n = 4 } 7 ( 2 ) ^ { n - 1 }n=1∑n=4​7(2)n−1

Find the Sum of the Indicated Terms of the Geometric $\sum _ { n = 1 } ^ { n = 4 } 7 ( 2 ) ^ { n - 1 }$