SOLUTION: There are 4 rows of button like 1 2. 3
4. 5. 6
7. 8. 9
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Question 1013816: There are 4 rows of button like 1 2. 3
4. 5. 6
7. 8. 9
0
How many 4 digit bank numbers possible?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
How many 4 digit bank numbers possible?
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10^4 = 10000
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How the rows are arranged is not relevant.
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