SOLUTION: Lock combinations are made by using 4 digits. How many different lock combinations can be made if repetition of digits is allowed?
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Question 310321: Lock combinations are made by using 4 digits. How many different lock combinations can be made if repetition of digits is allowed? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! Lock combinations are made by using 4 digits. How many different lock combinations can be made if repetition of digits is allowed?
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# = 10^4 = 10,000 combinations
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Cheers,
Stan H.
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