SOLUTION: ID numbers at a university consist of 1 letter followed by 5 digits, followed by 2 vowels. How many different numbers are possible if: a) letters and digits cannot be repeated. b)

Algebra ->  Probability-and-statistics -> SOLUTION: ID numbers at a university consist of 1 letter followed by 5 digits, followed by 2 vowels. How many different numbers are possible if: a) letters and digits cannot be repeated. b)       Log On