SOLUTION: Find the indicated term of each geometric sequence. a8 for -1/250,-1/50,-1/10

Question 612226: Find the indicated term of each geometric sequence.
a8 for -1/250,-1/50,-1/10
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Find the indicated term of each geometric sequence.
a8 for -1/250,-1/50,-1/10
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a = -1/250
r = (-1/10)/(-1/50) = 5
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a(n) = a*r^(n-1)
a(8) = a*r^(8-1)
a(8) = (-1/250)*5^7 = -625/2
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Cheers,
Stan H.
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