Find the sum of the finite geometric sequence. $\sum _ { n = 1 } ^ { 7 } 3 \left( \frac { 2 } { 5 } \right) ^ { n - 1 }$
A) $\frac { 390,369 } { 31,250 }$
B) $\frac { 192 } { 5 }$
C) $25,999$
D) $\frac { 5187 } { 3125 }$
E) $\frac { 77,997 } { 15,625 }$

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The Answer of Find the sum of the finite geometric sequence. $\sum _ { n = 1 } ^ { 7 } 3 \left( \frac { 2 } { 5 } \right) ^ { n - 1 }$
A) $\frac { 390,369 } { 31,250 }$
B) $\frac { 192 } { 5 }$
C) $25,999$
D) $\frac { 5187 } { 3125 }$
E) $\frac { 77,997 } { 15,625 }$

Find the Sum of the Finite Geometric Sequence ∑n=173(25)n−1\sum _ { n = 1 } ^ { 7 } 3 \left( \frac { 2 } { 5 } \right) ^ { n - 1 }∑n=17​3(52​)n−1

Find the Sum of the Finite Geometric Sequence $\sum _ { n = 1 } ^ { 7 } 3 \left( \frac { 2 } { 5 } \right) ^ { n - 1 }$