SOLUTION: The first term of a geometric series is -1 and the common ratio of 0.5, and the sum of 511.5?

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Question 695686: The first term of a geometric series is -1 and the common ratio of 0.5, and the sum of 511.5?
Answer by Edwin McCravy(20056) About Me  (Show Source):
You can put this solution on YOUR website!
This can have no solution because the terms will all be negative
and therefore cannot have a positive sum, such as 511.5.