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April 19, 2014

April 19, 2014

Posted by **Cal** on Tuesday, June 1, 2010 at 9:51pm.

- Alg2 -
**Reiny**, Tuesday, June 1, 2010 at 9:56pmI would use the equation

amount = initialvalue(1/2)^(t/half-life)

so

.62 = 1(1/2)^(t/5630)

ln .62 = (t/5630)ln .5

t/5630 = ln .62/ln .5 = .689659879

t = 3882.785

The age is appr. 3883 years

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