- 2 - - 3 - A password is made up of 3 A password is made up of 4 A password is made up of 5 letters, followed by 3 numbers. letters, followed by 3 numbers. letters, followed by 3 numbers. How many codes are possible if How many codes are possible if How many codes are possible if you can repeat letters and the first letter must be "C" and if the first letter must be "C" and the numbers. you cannot reuse letters or last number cannot be zero if you numbers. cannot reuse letters or numbers. My Full Solution...QUESTION 1. In how many ways can seven people including yourself line up to buy tickets if you must be last in line? A) 6! B) 61 X 2! C) 71-21 D) 7! 2. In how many ways can you select a president, treasurer, and secretary if nine people have volunteered? A) 91 + 6! B) P,x 3! C) , Pa D) , C, 3. Sohaib bought two boxes of cookies, four cases of water, and two cases of pop for snacks for his data management study group sessions. How many different purchases can he make? A) 10 B) 16 C) 8 D) 20 102! 4. Evaluate 98 A) Error B) 999 900 C) 101 989 800 D) 9 995 000 400 5. How many different five card hands are there in which all of the cards are black? A) 792 B) 65 780 C) 2 598 960 D) 7 893 600