A radioisotope tracer has a half-life of 2 minutes. If a level of <1% is considered safe, when would the soonest a sample injected with the tracer be safe to handle? the correct answer is 14, can somone walk me through how to get this please

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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.