SOLUTION: Find the sum of the infinite geometric series 1, 0.5, 0.25, ...

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Question 1188230: Find the sum of the infinite geometric series 1, 0.5, 0.25, ...
Answer by math_helper(2461) About Me  (Show Source):
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S = a%5B1%5D+%2F+%281-r%29+ where a%5B1%5D is the first term, and r is the common ratio.
For this problem
a%5B1%5D = 1
r = 1/2
S = +1+%2F+%281-%281%2F2%29%29+ = 2