Suppose that the activity of a radioactive substance is initially 398 disintegrations/min and two days later, it
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Suppose that the activity of a radioactive substance is initially 398 disintegrations/min and two days later, it is 285 disintegrations/min. What is the activity four days later still, or six days after the start? Give your answer in disintegrations/min.
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The activity of a radioactive substance is defined as the number of disintegrations or decays taking ...View the full answer
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