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OpenStudy (anonymous):
Help please??? Find S10 for the series 1 + 2 + 4 + 8 +...
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OpenStudy (anonymous):
it is a G.P a=1 r=2/1=2 \[Sn=\frac{ a \left( r^n-1 \right) }{ r-1 }\] n=10 solve it
OpenStudy (anonymous):
@surjithayer I got 102, is that right?
OpenStudy (anonymous):
*1023
OpenStudy (anonymous):
correct.
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