A certain drug has a half-life in the body of 7.0 h. What should the interval between doses be, if the concentration of drug in the body should not fall below 60.% of its initial concentration? Round your answer to 2 significant digits. h X 2/5 S

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A:

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A:

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A:

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A:

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Writing and Balancing Nuclear Equations

A nuclear equation is a symbolic representation of a nuclear reaction using certain symbols. It is studied in nuclear chemistry and nuclear physics.