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Mathematics 13 Online
OpenStudy (anonymous):

600,-300,150,---,---,---,

OpenStudy (anonymous):

An alternating series with a common ratio of '-2'. 600/-2 = -300 -300/-2 = 150 150/-2 = -75 ..and so on.

OpenStudy (anonymous):

-75, 37.5

OpenStudy (anonymous):

(sorry, not a series)

OpenStudy (anonymous):

sorry, I forgot -18.75 as last term.

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