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QUESTION
A radium sample weighs 1 gram at time t = 0 . at time t = 10 years it has diminished to 0.997 grams. how long will it take to diminish to 0.5 grams?
A radium sample weighs 1 gram at time t = 0 . at time t = 10 years it has diminished to 0.997 grams. how long will it take to diminish to 0.5 grams?
