Physics Plutonium is a radioactive element that has a half-life of 24,360 years. The half-life of a radioactive substance is the time it takes for half of the substance to decay (which means the other half will still exist after that length of time). Find an exponential function of the form f (t) = Aekt that gives the amount of plutonium left after t years if the initial amount of plutonium is 10 pounds. How long will it take for the plutonium to decay to 2 pounds?
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