themfgoat99 themfgoat99

30-04-2021
Mathematics

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How much of a radioactive kind of lanthanum will be left after 120 hours if you start with 160
grams and the half-life is 40 hours?

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brs91503 brs91503

30-04-2021

Answer:

20 grams should be correct

Step-by-step explanation:

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