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16-11-2022
Mathematics

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Pedro was assigned to find out how much of 12 grams of radioactive isotope Francium-222 would be left after a period of time. Its half-life is 15 minutes. How much remained after 50 minutes?
The answers -
2.22133 g
4.7006 g
3.5979 g
1.380 g
1.1906 g

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