Leanne has a headache, and takes 800 mg of Tylenol. The amount, A, of Tylenol remaining in her body after n hours is given by the formula A = 800(0.81)ⁿ. How
much of the Tylenol remains in her body after 7 hours? Round your answer to the nearest hundredth.
Leanne will have___mg of Tylenol remaining in her body after 7 hours.