Compute the given questionsquestion i a radioactive isotope, Ask an Expert

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Compute the given questions:

Question I: A radioactive isotope has an activity of 8.56 mCi. After 3.25 hours the activity is 5.74 mCi. What is the half-life of the isotope?

Question II: What is the activity after an additional 3.25 hours in mCi units?

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