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January 27, 2015

January 27, 2015

Posted by **Alice** on Friday, October 10, 2008 at 1:35pm.

where A(t) is the amount after time t, A' is the initial amount at t=0 and r is the decay time.

Give an interpretation of the parameter r.

- Maths -
**drwls**, Friday, October 10, 2008 at 7:38pmr is the length of time required for the amount of A to decrease by a factor of 1/e

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