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12 October, 07:03

And h is the half-life, in days, of the substance. a scientist has a 10-mg sample of a radioactive isotope. the isotope has a half-life of 8 days. after 16 days, how much of the radioactive isotope remains?

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  1. 12 October, 07:32
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    1/1 = 10mg

    1/2=5mg (After 8 days)

    1/4=2.5mg (after 16 days)
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