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Mathematics 16 Online
OpenStudy (anonymous):

Find S5 for the series -2+-10+-50+-250 what???

OpenStudy (anonymous):

common ratio is five correct?

OpenStudy (anonymous):

It wants you to find the next number in the series, and from this you can tell it is the last number *5 \(-2*5=-10\) and \(-10*5=-50\) so multiply the last number (-250) by 5

OpenStudy (anonymous):

-1562 :)

OpenStudy (anonymous):

Hm? I got something different from my calculator

OpenStudy (anonymous):

-250(5)=-1250

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