SOLUTION: Whats an example of a quantity that grows or decays at a fixed rate. Solve by using logarithms.

SOLUTION: Whats an example of a quantity that grows or decays at a fixed rate. Solve by using logarithms.

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Question 1039694: Whats an example of a quantity that grows or decays at a fixed rate. Solve by using logarithms.
Answer by addingup(3677) (Show Source): You can put this solution on YOUR website!
1) half-life of isotopes decay at an assumed fixed-rate
2) interest compounds (grows) at a fixed rate
:
Solving for 2), since chemistry is not my "thing":
:
(1+r)^y = 2
yln(1+r) = ln2
y = ln2/ln(1+r) = double your original amount.
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