SOLUTION: Use the formula below to find the 25th term in the geometric sequence. a[n]=(-3)2^n-1

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Question 862288: Use the formula below to find the 25th term in the geometric sequence.
a[n]=(-3)2^n-1
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi

a%5Bn%5D=%28-3%292%5E%28n-1%29

a%5B25%5D=%28-3%292%5E%2824%29=  -50,331,648