SOLUTION: Evaluate the infinite geometric series. Round to the nearest hundredth if necessary.
50 + 10 + 2 + ...
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Question 737194: Evaluate the infinite geometric series. Round to the nearest hundredth if necessary.
50 + 10 + 2 + ...
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
50 + 10 + 2 + ... = S
S = a/(1-r)
S = 50/(1-1/5)
S = 50/(4/5)
S = 50*(5/4)
S = 250/4
S = 125/2
S = 62.5
50 + 10 + 2 + ... = S
50 + 10 + 2 + ... = 62.5
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