A radioactive isotope has an activity of 842times104 bq
A radioactive isotope has an activity of 8.42×104 Bq initially. After 3.65 hours the activity is 6.57×104 Bq.What is the half-life of the isotope? What is the activity after an additional 3.65 hours?
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a radioactive isotope has an activity of 842times104 bq initially after 365 hours the activity is 657times104 bqwhat is
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