I have the following equation.

$\displaystyle N/6= N*exp(-.0001216t)$

Then I want to solve to t, and the solution is $\displaystyle ln(6)/.00001216$

I must be missing something....why is $\displaystyle ln(6)$ and not $\displaystyle ln(1/6)$?

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- Feb 9th 2010, 04:25 PMtacticalRadio-active decay problem.
I have the following equation.

$\displaystyle N/6= N*exp(-.0001216t)$

Then I want to solve to t, and the solution is $\displaystyle ln(6)/.00001216$

I must be missing something....why is $\displaystyle ln(6)$ and not $\displaystyle ln(1/6)$? - Feb 9th 2010, 04:30 PMdedust
- Feb 10th 2010, 02:12 AMHallsofIvy