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What is the 9th term of the geometric sequence with a1=4 and ratio (multiplier) = -2?
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What is the 9th term of the geometric sequence with a1=4 and ratio (multiplier) = -2?

User Giancarlo
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1 Answer

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a_(n)=a_(1)r^(n-1)

a_(9)=4*(-2)^(9-1)

a_(9)=1024
User Elysefaulkner
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