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OpenStudy (anonymous):
Write the explicit formula that represents the geometric sequence: -2,8,-32,128
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OpenStudy (anonymous):
need guidance and answer
OpenStudy (welshfella):
you need to find the common ratio r this equals second term / first, also first term = -2 then plug these into the general formula for the nth term
OpenStudy (anonymous):
isnt the common ration -4
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