Problem: What is the half-life of an isotope that decays to 12.5% of its original activity in 48.3 hours? 

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What is the half-life of an isotope that decays to 12.5% of its original activity in 48.3 hours? 

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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.