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September 21, 2014

September 21, 2014

Posted by **David** on Tuesday, August 28, 2012 at 6:58pm.

- Math -
**bobpursley**, Tuesday, August 28, 2012 at 7:04pm.6=e^-.603 (5sec/th)

solve for thalflife.

ln.6=-.693*5/th

th=???

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