There are fifty candidates on “The Price is Right”. The announcer randomly calls 4 contestants to “come on down”. How many different orders of contestants could there be for the first announcement?
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Counting Techniques
Santa has 4 reindeers, Prancer, Dancer, Raver, and Bender, and he wants to have 3 fly his sleigh on Christmas Eve. He always has his reindeer fly in a single-file line. How many different ways can he arrange his reindeer?
Twin Pines Country Club will issue membership ID's in this format: A12. It begins with a letter (A to Z) followed by two digits. Due to superstition, it will not use the digit "4" and the number "13". In addition, "69" will not be used because Twin Pines is a fancy club. How many unique membership ID's can be issued?