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  • 24-05-2023
  • Mathematics
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HURRY!!! A radioactive isotope has a half-life of 9 hours. Find the amount of the isotope left from a 360-milligram sample after 36 hours. If necessary, round your answer to the nearest thousandth.

A.45 mg
b.22.5 mg
c.10 mg
d.0.703 mg

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