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Mathematics, 08.08.2019 03:20 SuBzErO24
You need to create a 4-digit pin for your visa debit card. a. how many pins are possible if the first digit must be a 5 and repetition is not allowed? b. how many pins are possible if the first digit must be a 5 and repetition of consecutive digits is not allowed? (so for example, a pin of 5757 or 5785 would be allowed, but a code of 5578 or 5778 or 5788 would not be allowed.)
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You need to create a 4-digit pin for your visa debit card. a. how many pins are possible if the firs...
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