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28 July, 17:29

A radioactive material has a half-life of 3 hours. If there are originally 10 milligrams of the radioactive material, how many milligrams will be left after 6 hours?

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  1. 28 July, 20:49
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    2.5mg

    Step-by-step explanation:

    Since the half-life for the radioactive material is 3 hours, Therefore it will undergone two times of half-life process.

    The first 3 hours 10mg will be decreased into 5mg. The final 3 hrs, it will decreased from 5mg to 2.5mg
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