Question 813658: Hexadecimal numbers are made using the 16 "digits" 0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F. How many four-digits-long hexadecimal numbers begin with one of the 6 letters and end with one of the 10 digits (0 through 9) and the middle two characters could be any of the 16 "digits", possibly repeated?
Answer by Alan3354(69443)   (Show Source):
You can put this solution on YOUR website! Hexadecimal numbers are made using the 16 "digits" 0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F. How many four-digits-long hexadecimal numbers begin with one of the 6 letters and end with one of the 10 digits (0 through 9) and the middle two characters could be any of the 16 "digits", possibly repeated?
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6*10 = 60 possible combos of 1st and 4th digits.
60*256 = 15360 Hex numbers that fit
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