The drug Vicodin is eliminated from the bloodstream exponentially with a half-life of 36 hours. Suppose that a patient receives an initial dose of 40 milligrams of Vicodin at midnight.
a. How much Vicodin is in the patient's blood at noon on the first day?
b. Estimate when the Vicodin concentration will reach 50% of its initial level.
a. How much Vicodin is in the patient's blood at noon on the first day?
There is approximately ______mg of Vicodin in the patient's blood at noon on the first day.
(Round to the nearest tenth as needed.)
