A mine worker discovers an ore sample containing 500 mg of radioactive material. It is discovered that the radioactive material has a half l

Question

A mine worker discovers an ore sample containing 500 mg of radioactive material. It is discovered that the radioactive material has a half life of 1 day. Find the amount of radioactive material in the sample at the beginning of the 7th day.

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Bơ 4 years 2021-09-05T03:27:06+00:00 2 Answers 268 views 0

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  1. Nick
    0
    2021-09-05T03:28:35+00:00
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    the answe is 7.8 hope that helpf

  2. ThanhThu
    0
    2021-09-05T03:28:56+00:00
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    Answer:

    7.8125 or 7.8

    Step-by-step explanation:

    gm=(1/2)^{n-1}

    gm=500 (1/2)^{ 7- 1} \\gm= 500 (1/2)^{6}

    = 7.8125 or 7.8

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