all Indy license plates have three letters, two numbers and a vow, with repetition allowed. how many Indy license plates can be minted if the laws says your third letter cannot be B,I,D,Z,O, or S? how many license plates can be printed if the law instead says the first digit must be less than 8 and the vowel at the end must be an E or a U? what is the probability of having a license plate with the second letter of K or M if the law says instead the second letter of K or M, if the law says instead the second letter must be a consonant?