Question 635863: a3=5, a8=1/625. How do I find A5 and An?
Ans: a5=5/8 and an=10(-1/20)^n-1
Found 2 solutions by Alan3354, MathTherapy:
Answer by Alan3354(69443)   (Show Source):
You can put this solution on YOUR website! a3=5, a8=1/625. How do I find A5 and An?
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a(n+1) = a(n)/5
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5, 1, 1/5, 1/25, 1/125, 1/625, etc
A5 = 1/5
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A(n) = A(0)/(5^n)
A(n) = 625/5^n
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Ans: a5=5/8 and an=10(-1/20)^n-1
The answer to what?
Answer by MathTherapy(10552)  (Show Source):
You can put this solution on YOUR website!
a3=5, a8=1/625. How do I find A5 and An?
Ans: a5=5/8 and an=10(-1/20)^n-1
Where did you get these answers from?
I got  , and 
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