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OpenStudy (anonymous):
Find S11 for 1 + 2 + 4 + 8 +...
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OpenStudy (bibby):
What kind of series is this?
OpenStudy (anonymous):
it says geometric sequences and series
OpenStudy (bibby):
well you should be able to infer that from looking at it what is the constant multiplier?
OpenStudy (anonymous):
2
OpenStudy (anonymous):
i got 1,024 for my answer.. is that correct?
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OpenStudy (bibby):
\(\huge a_n=a_1*r^{n-1}\)
OpenStudy (bibby):
\(\huge 1*(2^{10})\)
OpenStudy (bibby):
yeah you're right
OpenStudy (anonymous):
thank you so much!
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