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Mathematics 18 Online
OpenStudy (anonymous):

a population of insects doubles every month. if there are 100 insects to start with,how many will there be after 7 months

OpenStudy (kamibug):

It should be 6400 insects.

OpenStudy (cwrw238):

this is a geometric series 100 + 100*2 + 100*2^2 + 100*2^3 + ..

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