Plutonium-238 is a radioactive element that decays over time into a less harmful element at a rate of 0.8 % per year. A power plant has 5

Question

Plutonium-238 is a radioactive element that decays over time into a less harmful element at a rate of 0.8 % per year. A power plant has 50 pounds of plutonium-238 to dispose of. How much plutonium-238 will be left after 10 years

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Khánh Gia 5 years 2021-07-16T21:06:51+00:00 1 Answers 81 views 0

Answers ( )

  1. thaiduong
    0
    2021-07-16T21:08:07+00:00
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    Answer:

    46 pounds

    Explanation:

    Let the amount of Plutonium-238 left after 10 years be P

    Let the initial mass of Plutonium-238 be Po

    Let the rate of decay be r

    Let the time taken be t

    Hence;

    P = Poe^-rt

    P= 50e^-0.008×10

    P= 46 pounds

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