Question: The decay time is the time it takes for a radioactive substance to lose half of its amount. This function is given by A(t)=a e

The decay time is the time it takes for a radioactive substance to lose half of its amount. This function is given by A(t)=a e .69"t/ where a is the initial amount, t is the time elapsed, T is the time it is known to decay by one-half and A(t) is the amount left. Plutonium has a half-life of 87.7 years. How much plutonium is left (of a 20 g sample) after 250 years? HTML Editor Egg

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