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Mathematics 16 Online
OpenStudy (anonymous):

explicit formula for the following sequence? "-0.1, 0.02, -0.004, 0.0008, -0.00016"

OpenStudy (joannablackwelder):

Any thoughts on how to start?

OpenStudy (anonymous):

Actually I got an answer. I just really need to know if it's correct an=-0.1(-0.2)n-1.

OpenStudy (joannablackwelder):

Hm, is the n-1 supposed to be an exponent?

OpenStudy (anonymous):

Yes

OpenStudy (joannablackwelder):

Yep, looks good :-)

OpenStudy (anonymous):

Thank you!!

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