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September 15, 2014

September 15, 2014

Posted by **Dee** on Sunday, November 17, 2013 at 3:10pm.

_____ yr

- college algebra -
**Steve**, Sunday, November 17, 2013 at 4:29pm(1/2)^(4/k) = 0.7

Now just solve for k.

Expect a number greater than 4, since if the half-life were 4, then 50% would decay in 4 years.

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