Question: A coded message is made using the 26 letters of the alphabet and the 10 digits (0-9) Letters and digits may be repeated. The number
A coded message is made using the 26 letters of the alphabet and the 10 digits (0-9) Letters and digits may be repeated. The number of coded messages they can be made if every message must have the pattern -letter-digit is A. 2600 B. 2340 C. 2250 D. 6720
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