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A radioactive element is half disintegrated in 40 minutes. What is the time required for the decay of 75% of the element
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A radioactive element is half disintegrated in 40 minutes. What is the time required for the decay of 75% of the element

User Jeremy Slade
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80 minutes its half life is 40 mins and another 40 would decay half of the 50% left currently
User Keegan Jay
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