The rate at which a certain drug is eliminated by the body

Last updated: 8/5/2022

The rate at which a certain drug is eliminated by the body follows first-order kinetics, with a half life of 85 minutes. Suppose in a particular patient the concentration of this drug in the bloodstream immediately after injection is 0.60 ug/mL. What will the concentration be 425 minutes later? Round your answer to 2 significant digits.