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OpenStudy (anonymous):
Please help: Tc-99m has a half life of 6.04 hours. The activity of a sample on Monday morning is measured to be 256MBq a. What is the activity at the same time on Tuesday morning? (16.3 MBq) b. What is the activity at the same time on Monday of the following week? (1.08 Bq) c. When will the activity be 187MBq? (2 hours 45 min after measurement)
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