Pre-Calculus Question! Please help if you can :)?

Starz31

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7) Write a formula for the general term (the nth term) of the geometric sequence.
6,12,24,48,96

A)an=a1+2n B)an=6· 2n-1 C)an=6· 2n D)an=6· 2n


8) Use the formula forSn to find the indicated sum.

Find the sum of the first11 terms of the geometric sequence
6,12,24,48,96, ... .
A)12,319 B)12,284 C)12,282 D)12,262
 
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