Ask your own question, for FREE!
Mathematics 26 Online
OpenStudy (anonymous):

Many printed airline tickets contain a 10-digit document number,followed by a check digit. The check digit is chosen to be the sum of the first 10 digits mod 7. Which of the following, if either, is a valid document number? 0210370758 5 4795296286 6

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!