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September 3, 2014

September 3, 2014

Posted by **Anonymous** on Wednesday, July 20, 2011 at 9:51am.

- algebra -
**bobpursley**, Wednesday, July 20, 2011 at 10:55am.977=e^(-.693T/thalf)

take the ln of each side, solve for T

- algebra -
**lance**, Friday, December 16, 2011 at 2:46pmThe half-life of 234U, uranium-234, is 2.52 105 yr. If 98.4% of the uranium in the original sample is present, what length of time (to the nearest thousand years) has elapsed?

- algebra -
**Anonymous**, Saturday, April 28, 2012 at 12:15pmThe half-life of 234U, uranium-234, is 2.52 105 yr. If 98.2% of the uranium in the original sample is present, what length of time (to the nearest thousand years) has elapsed

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