silverwings2830 silverwings2830

16-05-2021
Mathematics

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Approximately how long will it take a 100-gram sample of francium-223 to decay to 20 grams?

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jovanaparavinja jovanaparavinja

26-05-2021

Answer: 50 minutes

Answer choices:

20 minutes

70 minutes

50 minutes

30 minutes

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nicole1004 nicole1004

17-03-2022

Answer:

50 minutes

Step-by-step explanation:

Ver imagen nicole1004

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