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Mathematics 16 Online
OpenStudy (anonymous):

find a1 for the given geometric series. sn=89205,r=4,n=11

hartnn (hartnn):

\( \huge S_n = a_1 r^{n-1}\)

OpenStudy (anonymous):

how do you plug that in though.??

hartnn (hartnn):

89205/4^10

hartnn (hartnn):

i m not getting integer value...u have options/choices?

hartnn (hartnn):

0.085=a1

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