Problem: The half-life of oxygen 15 is 124 s. If a sample of oxygen 15 has an activity of 4000 Bq, how many minutes will elapse before it has an activity of 500 Bq? Express your answer to three significant figures and include the appropriate units.

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The half-life of oxygen 15 is 124 s. If a sample of oxygen 15 has an activity of 4000 Bq, how many minutes will elapse before it has an activity of 500 Bq? 

Express your answer to three significant figures and include the appropriate units.

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the First Order Half Life concept. You can view video lessons to learn First Order Half Life. Or if you need more First Order Half Life practice, you can also practice First Order Half Life practice problems.

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Based on our data, we think this problem is relevant for Professor Staff's class at MIAMIOH.