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Let's say I typed out the following Visa card number: 4 8 8 8 6 0 5 3 7 4 3 2 0 1 9
Let's say I typed out the following Visa card number:
Is this number valid, and if not, which of the following mistakes could have been made?
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This is a valid Visa card number.
The th digit from the left shauld have heen a
The th digit fram the left O should have been a
The th digit from the lett should have been an
The ath digit from the left should have been a
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