For the following exercises, use this scenario: A doctor prescribes 300
milligrams of a therapeutic drug that decays by about 17%
each hour.

54. To the nearest minute, what is the half-life of the drug?
55. Write an exponential model representing the amount of the drug remaining in the patient’s system after t
hours. Then use the formula to find the amount of the drug that would remain in the patient’s system after 24
hours. Round to the nearest hundredth of a gram.

Q&A Education