



 
Daniel, Is the combination 10 digits long? Do you know the length of the combination? Harley Daniel responded
Daniel, I am going to assume that order is important o 1234 and 1324 are different codes. Thinking of the codes as numbers, where for example the number 5 is written 0005, and listing them from smallest to largest I get
Thus there are 10,000 codes with a length of 4 digits and you can see how to list them. In a similar way there are 100,000 codes with a length of 5 digits, and so on. You have many possible codes to try,  


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