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A patient is given 0.050 mg of technetium-99 m (where m means metastable - an unstable but long-lived state), a radioactive isotope with a half-life of about 6.0 hours. How long in hours until the radioactive isotope decays to 6.3 x 10-3 mg? Express your answer using two significant figures.
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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 Adams' class at Central Piedmont Community College.