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Mathematics 18 Online
OpenStudy (anonymous):

Find Sn for the given geometric series. a1=0.15, a5=614.4, r=8

hartnn (hartnn):

u have the formula for sum in your last post. use it

OpenStudy (anonymous):

i dont know where to put a5 into the formula.

hartnn (hartnn):

just put n=5 in that formula...

hartnn (hartnn):

a1=0.15 and r=8

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