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Find the sum of the infinite series, if it exists. 100+20+4+… And please show work

Find the sum of the infinite series, if it exists. 100+20+4+… And please show work
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Find the sum of the infinite series, if it exists. 100+20+4+… And please show work

User Chris Farmer
by
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1 Answer

4 votes

Answer:

Explanation:

r=20/100=0.2<|1|


S_(\infty) =(a_(1))/(1-r) \\=(100)/(1-0.2) =(100)/(0.8) =125

User Charlie Morton
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