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OpenStudy (anonymous):
evaluate the series 4-2+1-0.5+0.25 to s10. Round to the nearest tenth. a) 5.50 b)-2.75 c)2.75 d) 2.66 PLEASE HELP!
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OpenStudy (anonymous):
just add up the first ten terms yes?
OpenStudy (anonymous):
i got 2.66
OpenStudy (anonymous):
\[4-2+1-\frac{1}{2}+\frac{1}{4}-\frac{1}{8}+...-\frac{1}{128}=2.664...\]
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