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04-10-2020
Physics

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Suppose the activity of a sample of radioactive material was 100Bq at the start. What would you divide 100Bq by to obtain the activity at n half-lives after the start?

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pfellas pfellas

04-10-2020

if n=1 you divide by 2
If n=2 you divide by 4
If n=3 you divide by 8
so any n you divide by 2 to the power n

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