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Mathematics 15 Online
OpenStudy (anonymous):

find the 5th term and the 9th term of the geometric sequence whose initial term. a[1]=1, r=-1/2

OpenStudy (anonymous):

the answer is going to be a - number since the term is odd

OpenStudy (anonymous):

5th term I got .0625

OpenStudy (anonymous):

how about the 9th term?

OpenStudy (anonymous):

I don't know if this is correct but for the 9th term I got .00390625

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