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OpenStudy (anonymous):
What is the 9th term of the geometric sequence 4, –20, 100, …?
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OpenStudy (anonymous):
Multiplying by -5. 4 x -5 = -20 -20 x -5 = 100 etc. the third term is 100, so keep going :) (hint: answer will be positive)
OpenStudy (anonymous):
so u just told me what i already know?
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