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November 20, 2014

November 20, 2014

Posted by **Shay** on Monday, September 24, 2012 at 1:22pm.

- Science chemistry -
**Scott**, Monday, September 24, 2012 at 1:54pmif n is the number of half-lives

(1/2)^n * 1.000 = 0.121

(1/2)^n = 0.121/1.000

n [log(1/2)] = log(0.121)

n = [log(0.121)] / [log(1/2)]

half life = [1h17m] / n

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