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faltersainse [42]

3 years ago

10

To gain access to his account, a customer using an automatic teller machine (ATM) must enter a four-digit code. If repetition of

the same four digits is not allowed (for example 5555), how many possible combinations are there?

1 answer:

VMariaS [17]3 years ago

8 0

I’m not really much sure, I tried.

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hope this helps

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