Mathematics, 29.08.2019 21:30 chawnholliday8673
Credit cards have 16 digit numbers, of which the first 15 digits identify the credit card and the sixteenth digit is the check digit (the last digit is fixed). u-kan-trust-us credit card numbers begin with 61, 62, or 63. what is the maximum number of credit cards that uktu can issue?
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Credit cards have 16 digit numbers, of which the first 15 digits identify the credit card and the si...
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