Describe radioactive isotope with a half-life

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A patient is given 5.5 x10^-2 mg of technetium-99 m, a radioactive isotope with a half-life of about 6.0 hours.
How long untilth radioactive isotope decays to 6.0 x10-3 mg? (assume no excretin of the nucelotibe from the body.) Answer is in T =hours.

Reference no: EM13243611

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