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  • 16-04-2020
  • Mathematics
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How much of a radioactive kind of technetium will be left after 28 minutes if the half-life is 14 minutes and you start with 72 grams?

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  • 16-04-2020

Answer:

18 grams.

Step-by-step explanation:

28/14 = 2 so we divide 72 by 2 twice

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