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April 20, 2014

Homework Help: Calculus

Posted by Sara on Tuesday, November 30, 2010 at 6:29pm.

The amount A in grams of radioactive plutonium remaining in a 20-gram sample after t days is given by the formula A=20*(1/2)^(t/140). At what rate is the plutonium decaying when t=2 days?

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