ISBN barcodes

Author:Jaden Auger

Create 3 questions to guide learning with your applet: Question 1: When finding the check digit of an ISBN what numbers do you multiply by 1 and what numbers do you multiply by 3? Question 2: What is 27 modulo 10? What is 55 modulo 10? What is 70 modulo 10? Question 3: What would the check digit be for an ISBN of 978052021978__?

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