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October 31, 2014

October 31, 2014

Posted by **sam** on Friday, February 8, 2008 at 1:03pm.

At study hall test is after lunch and cant figure out htese 2 on my review packet

- SCIENCE PLEASE HELP -
**bobpursley**, Friday, February 8, 2008 at 1:34pmWEll, follow the formula...

amountremaining=Original*e^(-.692t/13)

3.29/26/3= e^(-.692t/13)

take the ln of each side

-.207 = -.692t/13

solve for t in days.

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