Posted by **James** on Sunday, November 26, 2006 at 9:09pm.

How much a 2.00 g 239 Pu would have decayed after 1.6 x 10^4 years? The half-life for 239 Pu is 2.4 x 10^4 years.

amount remaining= originalamount*(.5)^(1.6/2.4)

amount decayed = original - amountremaining

- Chemistry -
**Robert**, Thursday, April 5, 2012 at 11:32pm
0.74

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