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OpenStudy (anonymous):
write the infinite geometric series in sigma notation. then find the sum, if it exists. show work. the sum of an infinite geometric series is 125, and the value of r is 0.4. find the first three terms of the series.
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OpenStudy (anonymous):
1st term is 75
OpenStudy (anonymous):
i think there is no series!!
OpenStudy (anonymous):
\[S_ \infty=\frac{ a }{ 1-r }\]
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