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Mathematics 9 Online
OpenStudy (anonymous):

@mrdoldum

OpenStudy (anonymous):

Write the sum using summation notation, assuming the suggested pattern continues. 9 - 18 + 36 - 72 + ...

OpenStudy (anonymous):

i followed your steps and this is what i got (:

OpenStudy (anonymous):

@mrdoldum

OpenStudy (anonymous):

What are the options?

OpenStudy (anonymous):

OpenStudy (anonymous):

I think that is right.

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