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September 30, 2014

September 30, 2014

Posted by **Anonymous** on Sunday, January 22, 2012 at 6:10pm.

- math -
**Reiny**, Sunday, January 22, 2012 at 10:37pm.76 = 1(1/2)^(t/5730)

ln both sides

ln .76 = ln (.5)^(t/5730)

t/5730 ln.5 = ln.76

t/5730 = ln.76/ln.5 = .3959..

t =2268.67

age is appr. 2269 years

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