SOLUTION: I have a 4 digit combination lock. The numbers range from 0 to 9 in each row. The numbers can repeat. How many combinations of these are possible?
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Question 927765: I have a 4 digit combination lock. The numbers range from 0 to 9 in each row. The numbers can repeat. How many combinations of these are possible?
0 0 0 0
1 1 1 1
2 2 2 2
3 3 3
5
6
7 etc
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9 Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! I have a 4 digit combination lock. The numbers range from 0 to 9 in each row. The numbers can repeat. How many combinations of these are possible?
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Ans: 10^4 = 10,000
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Cheers,
Stan H.
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