Question 1040371: The new vehicle license plates consist of 3 letters and 4 digits. From the letters in the English alphabet and the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9, how many license plates can be formed if?
a. repetition of letters and digits is allowed?
b. each letter and each digit can only be used once?
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! The new vehicle license plates consist of 3 letters and 4 digits. From the letters in the English alphabet and the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9, how many license plates can be formed if?
a. repetition of letters and digits is allowed?
Ans: 26^3*10^4
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b. each letter and each digit can only be used once?
Ans: 26*25*24*10*9*8*7
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Cheers,
Stan H.
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