The first several terms of a sequence are given. Find the indicated partial sum.
-$$- \frac { 1 } { 2 } , \frac { 1 } { 4 } , - \frac { 1 } { 8 } , \frac { 1 } { 16 } , \ldots ; S _ { 5 }$$
A) $- \frac { 15 } { 64 }$
B) $- \frac { 21 } { 64 }$
C) $- \frac { 11 } { 32 }$
D) $- \frac { 1 } { 32 }$

Question

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The Answer of The first several terms of a sequence are given. Find the indicated partial sum.
-$$- \frac { 1 } { 2 } , \frac { 1 } { 4 } , - \frac { 1 } { 8 } , \frac { 1 } { 16 } , \ldots ; S _ { 5 }$$
A) $- \frac { 15 } { 64 }$
B) $- \frac { 21 } { 64 }$
C) $- \frac { 11 } { 32 }$
D) $- \frac { 1 } { 32 }$

The First Several Terms of a Sequence Are Given −12,14,−18,116,…;S5- \frac { 1 } { 2 } , \frac { 1 } { 4 } , - \frac { 1 } { 8 } , \frac { 1 } { 16 } , \ldots ; S _ { 5 }−21​,41​,−81​,161​,…;S5​

The First Several Terms of a Sequence Are Given $- \frac { 1 } { 2 } , \frac { 1 } { 4 } , - \frac { 1 } { 8 } , \frac { 1 } { 16 } , \ldots ; S _ { 5 }$