Posted by melissa on Wednesday, December 10, 2008 at 5:24pm.
amount left= (1/2)^4=1/2^4=1/4^2=1/16
The half-life of polonium-218 is 3.0 min. If you start with 16 mg of
polonium-218, how much time must pass for only 1.0 mg to remain?
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