SOLUTION: Evaluate each geometric series described. -3+15-75+375...,n=8

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Question 1083521: Evaluate each geometric series described.
-3+15-75+375...,n=8
Answer by ikleyn(52835) About Me  (Show Source):
You can put this solution on YOUR website!
.
= 195312.


On geometric progressions, see the lessons
    - Geometric progressions
    - The proofs of the formulas for geometric progressions
    - Problems on geometric progressions
    - Word problems on geometric progressions
in this site.