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January 28, 2015

January 28, 2015

Posted by **Anonymous** on Saturday, February 18, 2012 at 6:49pm.

- algebra -
**Reiny**, Saturday, February 18, 2012 at 9:09pm.84 = 1(.5)^(t/5730)

ln .84 = ln (.5^(t/5730) )

ln .84 = (t/5730) ln .5

t/5730 = ln .84/ln .5 = .251538767

t = 1441.317

to the nearest 100 years it would be 1400 years

- algebra -
**Anonymous**, Sunday, February 19, 2012 at 7:59pmwhere did you get ,5 from?

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