A card is drawn from a well shuffled pack of 52 playing card . Find the probability that the card drawn is(1) a diamond card(2)a face card (3) a black card. please help me​

Consider this expression and the steps to evaluate it. 4^5(−2)^9/4^8(−2)^3 1. apply the quotient of powers:      (−2)^a/4^b 2. evaluate powers:           c/d select the value of each variable. a = _ b = _ c = _ d = _