Homework Help: Math

Posted by J on Sunday, January 11, 2009 at 4:34pm.

The half life of Uranium 230 is 20.8 days. How long would it take for 20% of Uranium 230 to decay?

Math - PsyDAG, Monday, January 12, 2009 at 12:06pm
20% of one = 40% of a half.

That should help you. Thanks for asking.

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