The amount in grams of a drug in the body t hours after taking a pill is given by A(t) = 22(0.8). (a) What is the initial dose given? answer) (Include units in your (b) What percent of the drug leaves the body after each hour? % (c) What is the amount of drug left after 5 hours? (include units in your answer, and retain at least three decimal places in your answer)