Homework Help: algebra

Posted by Anonymous on Wednesday, July 27, 2011 at 10:15am.

The half-life of 234U, uranium-234, is 2.52 multiplied by 105 yr. If 98.8% of the uranium in the original sample is present, what length of time (to the nearest thousand years) has elapsed?

algebra - Ms. Sue, Wednesday, July 27, 2011 at 12:11pm
http://www.jiskha.com/display.cgi?id=1311776014
algebra - rachel, Sunday, July 29, 2012 at 1:05am
4000

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