Determine parity-check digit for number to error detection

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a single parity check code used in computer listings of registatration numbers found by doubling alternate digits, beginning from the right, and adding the digits modulo-10. the parity check digit is found by taking the tens complement of this sum. determine the parity-check digit for the number 837412 and 834712 and in addition to single error detection, what type error is being detected?

Reference no: EM13295498

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