SOLUTION: Hi, I understand how to find the rule when the ratios are whole numbers, but I'm having trouble with the fractional ratios. Here's the question: Find the possible explicit

Question 958539: Hi,
I understand how to find the rule when the ratios are whole numbers, but I'm having trouble with the fractional ratios.
Here's the question:
Find the possible explicit rule for the nth term of the sequence.
5,.5,.05,.005,...
Thank you in advance!
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Find the possible explicit rule for the nth term of the sequence.
5,.5,.05,.005,...
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Rewrite to see the pattern::
5/10^0...5/10^1...5/10^2...5/10^3......
----
Explicit rule:: a(n) = 5/10^(n-1)
---------------------------------
Cheers,
Stan H.
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