SOLUTION: A license plate consists of two letters followed by four digits. How many licence plates are possible if repetition is not allowed? Note: The plate "MP 0123" is allowed
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Question 1021798: A license plate consists of two letters followed by four digits. How many licence plates are possible if repetition is not allowed? Note: The plate "MP 0123" is allowed Answer by Edwin McCravy(20054) (Show Source):
Choose the 1st thing as a letter in 26 ways
Choose the 2nd thing as another letter in 25 ways
Choose the 3rd thing as a digit in 10 ways
Choose the 4th thing as another digit in 9 ways
Choose the 5th thing as still another digit in 8 ways
Choose the 6th thing as still another digit in 7 ways
Answer: (26)(25)(10)(9)(8)(7)
Edwin
