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Physics, 23.03.2021 04:50 nehemiahj85

A sample of radioactive waste has a half-life of 50 years and an activity level of 4 curies. After how many years will the activity level of this sample be at 0.25 curie?

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A sample of radioactive waste has a half-life of 50 years and an activity level of 4 curies. After h...

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