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A certain radioactive isotope decays at a rate of 1% per year; 3.4 kilograms of this isotope are produced in a particular industrial process. How much remains undecayed after 2
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A certain radioactive isotope decays at a rate of 1% per year; 3.4 kilograms of this isotope are produced in a particular industrial process. How much remains undecayed after 2
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Question 80403:
A certain radioactive isotope decays at a rate of 1% per year; 3.4 kilograms of this isotope are produced in a particular industrial process. How much remains undecayed after 22 years? Answer by stanbon(75887) (Show Source):
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A certain radioactive isotope decays at a rate of 1% per year; 3.4 kilograms of this isotope are produced in a particular industrial process. How much remains undecayed after 22 years?
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A(t) = Ao(0.99)^t
A(22) = 3.4(0.99)^22
A(22) = 2.7256 kg
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Cheers,
Stan H.
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