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October 26, 2014

October 26, 2014

Posted by **Anonymous** on Sunday, April 29, 2012 at 1:54pm.

- pre algebra -
**bobpursley**, Sunday, April 29, 2012 at 2:59pm.986=e^(-.693t/2.52E5)

take the ln of both sides..

> -0.0140989244=-.693t/2.52E5

solve for t

t== 0.693147181*2.52E5/0.0140989244

I get a little over 12 million yars

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