The number of milligrams D (h) of a drug in a patient's bloodstream h hours after the drug is injected is modeled by the following function. D(h)=25e^-04h Find the initial amount injected and the amount in the bloodstream after 8 hours. Round your answers to the nearest hundredth as necessary.
Initial amount: ___ milligrams
Amount after 8 hours: ___milligrams X