SOLUTION: Your bank assigns a 4-digit personal identification number (PIN). The first digit cannot be 0. How many different numbers choices are possible for the 1st digit?
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Question 1046737: Your bank assigns a 4-digit personal identification number (PIN). The first digit cannot be 0. How many different numbers choices are possible for the 1st digit? Answer by ewatrrr(24785) (Show Source):
You can put this solution on YOUR website! 4-digit PIN, The first digit cannot be 0
digits: 0.1.2.3.4.5.6.7.8.9 (total of 10 choices)
How many different numbers choices are possible for the 1st digit:
