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Priorto 2010, standard licence plates in Alberta consisted of 3 letters followed by 3 digits, and standard Ontario licence plates consisted of 4 letters followed by 3 digits. Letters and digits can be repeated on licence plates. There are 23 letters in the alphabet that can be used, as the letters I, O, and Q are not allowed. All ofthe digits from 0 to 9 may be used. An example of each licence plate is shown below. fMP oiz 0 Alberta c. In 2009, the number of standard licence plates possible in Ontario was r times greater than the number of standard licence plates in Alberta. Determine the number of different licence plates in Ontario and in Alberta, then determine the value of r as a whole number. 10. A hockey team is composed of 7 forwards and 5 defencemen. a) In how many ways can a coach choose a starting lineup ofthree forwards and two defencemen? b) How many starting lineups are possible if Johnny the star forward must be in the starting lineup