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An isotope has a half-life of 25 days. If you start with 50 grams, how much of the substance
will remain after 50 days? *


25 grams

12.5 g

6.75 g

Respuesta :

Answer:

12.5

Explanation:

If the half life is 25 days then in 50 days it will half twice

50/2=25

25/2=12.5

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