SOLUTION: Find the eight term of the geometric sequence for which a1 = 5 and r = ­2.

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Question 1041866: Find the eight term of the geometric sequence for which a1 = 5 and r = ­2.
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Find the eight term of the geometric sequence for which a1 = 5 and r = ­2.
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a(n) = a(1)*r^(n-1)
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a(8) = 5*2^7 = 640
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Cheers,
Stan H.