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Math Mathematics All Around, Books a la carte edition (6th Edition)

a. Why are check digits important? Give an example. b. What role does modular arithmetic play in computing check digits?

a. Why are check digits important? Give an example. b. What role does modular arithmetic play in computing check digits?

Solution Summary: The author explains the importance of the check digit in a 12-digit Universal Product Code (UPC).

Mathematics All Around, Books a la carte edition (6th Edition)

Mathematics All Around, Books a la carte edition (6th Edition)

6th Edition

ISBN: 9780134462448

Author: Pirnot, Tom

Publisher: PEARSON

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Textbook Question

Chapter 5.4, Problem 57E

a. Why are check digits important? Give an example.

b. What role does modular arithmetic play in computing check digits?

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Chapter 5.4, Problem 56E

Chapter 5.4, Problem 58E

Chapter 5 Solutions

Mathematics All Around, Books a la carte edition (6th Edition)

Ch. 5.1 - Write the Egyptian numerals using Hindu-Arabic...Ch. 5.1 - Write the Egyptian numerals using Hindu-Arabic...Ch. 5.1 - Prob. 3E Ch. 5.1 - Write the Egyptian numerals using Hindu-Arabic...Ch. 5.1 - Write each Hindu-Arabic numeral using Egyptian...Ch. 5.1 - Write each Hindu-Arabic numeral using Egyptian...Ch. 5.1 - Prob. 7E Ch. 5.1 - Write each Hindu-Arabic numeral using Egyptian...Ch. 5.1 - Prob. 9E Ch. 5.1 - Perform each of the following addition problems...

Ch. 5.1 - Prob. 11E Ch. 5.1 - Perform each of the following addition problems...Ch. 5.1 - Perform each of the following subtraction problems...Ch. 5.1 - Perform each of the following subtraction problems...Ch. 5.1 - Perform each of the following subtraction problems...Ch. 5.1 - Perform each of the following subtraction problems...Ch. 5.1 - Prob. 17E Ch. 5.1 - Use the Egyptian method of doubling to calculate...Ch. 5.1 - Prob. 19E Ch. 5.1 - Use the Egyptian method of doubling to calculate...Ch. 5.1 - Prob. 21E Ch. 5.1 - Write each Roman numeral using Hindu-Arabic...Ch. 5.1 - Write each Roman numeral using Hindu-Arabic...Ch. 5.1 - Write each Roman numeral using Hindu-Arabic...Ch. 5.1 - Write each Roman numeral using Hindu-Arabic...Ch. 5.1 - Write each Roman numeral using Hindu-Arabic...Ch. 5.1 - Write each Roman numeral using Hindu-Arabic...Ch. 5.1 - Write each Roman numeral using Hindu-Arabic...Ch. 5.1 - Write each Roman numeral using Hindu-Arabic...Ch. 5.1 - Write each Roman numeral using Hindu-Arabic...Ch. 5.1 - Prob. 31E Ch. 5.1 - Write each numeral in Roman notation There may be...Ch. 5.1 - Prob. 33E Ch. 5.1 - Write each numeral in Roman notation There may be...Ch. 5.1 - Prob. 35E Ch. 5.1 - Write each numeral in Roman notation There may be...Ch. 5.1 - Prob. 37E Ch. 5.1 - Write each numeral in Roman notation There may be...Ch. 5.1 - Write each Chinese numeral as a Hindu-Arabic...Ch. 5.1 - Write each Chinese numeral as a Hindu-Arabic...Ch. 5.1 - Write each Chinese numeral as a Hindu-Arabic...Ch. 5.1 - Write each Chinese numeral as a Hindu-Arabic...Ch. 5.1 - Write each Chinese numeral as a Hindu-Arabic...Ch. 5.1 - Write each Chinese numeral as a Hindu-Arabic...Ch. 5.1 - Write each numeral using Chinese numerals. 495 Ch. 5.1 - Write each numeral using Chinese numerals. 726 Ch. 5.1 - Write each numeral using Chinese numerals. 2,805 Ch. 5.1 - Write each numeral using Chinese numerals. 3,926 Ch. 5.1 - Write each numeral using Chinese numerals. 9,846 Ch. 5.1 - Write each numeral using Chinese numerals. 8,054 Ch. 5.1 - The Great Pyramid at Giza was completed in . Write...Ch. 5.1 - Cheops, the builder of the Great Pyramid at Giza,...Ch. 5.1 - An Egyptian merchant has a warehouse that contains...Ch. 5.1 - An ancient Egyptian merchant had on hand bushels...Ch. 5.1 - Using Egyptian notation, the number 100,...Ch. 5.1 - Using Egyptian notation, the number 100,...Ch. 5.1 - Using Egyptian notation, the number 100,...Ch. 5.1 - Using Egyptian notation, the number 100,...Ch. 5.1 - The emperor Aurelius Constantine, who lived from...Ch. 5.1 - By 285ad, the Roman Empire had become so vast that...Ch. 5.1 - Frequently, Roman numerals are used today in movie...Ch. 5.1 - Prob. 62E Ch. 5.1 - Prob. 63E Ch. 5.1 - Frequently, Roman numerals are used today in movie...Ch. 5.1 - The counting boards In Exercises 6568 show...Ch. 5.1 - The counting boards In Exercises 6568 show...Ch. 5.1 - The counting boards In Exercises 6568 show...Ch. 5.1 - The counting boards In Exercises 6568 show...Ch. 5.1 - The oldest discovery of Chinese written numerals...Ch. 5.1 - When Marco Polo visited China in 1274, he was...Ch. 5.1 - Explain two advantages of the Roman numeration...Ch. 5.1 - The Roman numeration system has symbols for 5,50,...Ch. 5.1 - The traditional Chinese numeration system had no...Ch. 5.1 - Research the Ionic Greek numeration system, which...Ch. 5.1 - In the Egyptian numeration system, whenever we...Ch. 5.1 - Suppose that Egyptian numeration was based on 5...Ch. 5.1 - Invent an Egyptian type of numeration system using...Ch. 5.1 - Write the number 1,999 in Roman numerals in as...Ch. 5.1 - Egyptian mathematics had a unique way of writing...Ch. 5.1 - Egyptian mathematics had a unique way of writing...Ch. 5.1 - Egyptian mathematics had a unique way of writing...Ch. 5.1 - Egyptian mathematics had a unique way of writing...Ch. 5.2 - Write the following Babylonian numerals as...Ch. 5.2 - Write the following Babylonian numerals as...Ch. 5.2 - Write the following Babylonian numerals as...Ch. 5.2 - Write the following Babylonian numerals as...Ch. 5.2 - Write each number using Babylonian notation. 8,235 Ch. 5.2 - Write each number using Babylonian notation. 7,331 Ch. 5.2 - Write each number using Babylonian notation....Ch. 5.2 - Write each number using Babylonian notation....Ch. 5.2 - Write each number using Babylonian notation....Ch. 5.2 - Write each number using Babylonian notation....Ch. 5.2 - Write each number using Babylonian notation....Ch. 5.2 - Write each number using Babylonian notation....Ch. 5.2 - Translate each of the following Mayan numerals to...Ch. 5.2 - Translate each of the following Mayan numerals to...Ch. 5.2 - Translate each of the following Mayan numerals to...Ch. 5.2 - Translate each of the following Mayan numerals to...Ch. 5.2 - Write each number using Mayan notation. 17 Ch. 5.2 - Write each number using Mayan notation. 48 Ch. 5.2 - Prob. 19E Ch. 5.2 - Prob. 20E Ch. 5.2 - Prob. 21E Ch. 5.2 - Prob. 22E Ch. 5.2 - Prob. 23E Ch. 5.2 - Prob. 24E Ch. 5.2 - Prob. 25E Ch. 5.2 - Prob. 26E Ch. 5.2 - Prob. 27E Ch. 5.2 - Prob. 28E Ch. 5.2 - Prob. 29E Ch. 5.2 - Prob. 30E Ch. 5.2 - Prob. 31E Ch. 5.2 - Prob. 32E Ch. 5.2 - Prob. 33E Ch. 5.2 - Prob. 34E Ch. 5.2 - Prob. 35E Ch. 5.2 - Prob. 36E Ch. 5.2 - Prob. 37E Ch. 5.2 - Prob. 38E Ch. 5.2 - Prob. 39E Ch. 5.2 - Prob. 40E Ch. 5.2 - Prob. 41E Ch. 5.2 - Prob. 42E Ch. 5.2 - Prob. 43E Ch. 5.2 - Prob. 44E Ch. 5.2 - Prob. 45E Ch. 5.2 - Prob. 46E Ch. 5.2 - Prob. 47E Ch. 5.2 - Prob. 48E Ch. 5.2 - Prob. 49E Ch. 5.2 - Prob. 50E Ch. 5.2 - Prob. 51E Ch. 5.2 - Prob. 52E Ch. 5.2 - Prob. 53E Ch. 5.2 - Prob. 54E Ch. 5.2 - Prob. 55E Ch. 5.2 - Prob. 56E Ch. 5.2 - Prob. 57E Ch. 5.2 - Prob. 58E Ch. 5.2 - Prob. 59E Ch. 5.2 - Prob. 60E Ch. 5.2 - Prob. 61E Ch. 5.2 - Prob. 62E Ch. 5.2 - Prob. 63E Ch. 5.2 - Prob. 64E Ch. 5.2 - Prob. 65E Ch. 5.2 - Prob. 66E Ch. 5.2 - Prob. 67E Ch. 5.2 - Prob. 68E Ch. 5.2 - Prob. 69E Ch. 5.2 - Prob. 70E Ch. 5.2 - Prob. 71E Ch. 5.2 - Prob. 72E Ch. 5.2 - Prob. 73E Ch. 5.2 - Prob. 74E Ch. 5.2 - Prob. 75E Ch. 5.2 - Prob. 76E Ch. 5.2 - Prob. 77E Ch. 5.2 - Prob. 78E Ch. 5.2 - Prob. 79E Ch. 5.2 - Prob. 80E Ch. 5.3 - Prob. 1E Ch. 5.3 - Prob. 2E Ch. 5.3 - Prob. 3E Ch. 5.3 - Prob. 4E Ch. 5.3 - Prob. 5E Ch. 5.3 - Prob. 6E Ch. 5.3 - Prob. 7E Ch. 5.3 - Prob. 8E Ch. 5.3 - Prob. 9E Ch. 5.3 - Prob. 10E Ch. 5.3 - Prob. 11E Ch. 5.3 - Prob. 12E Ch. 5.3 - Prob. 13E Ch. 5.3 - Prob. 14E Ch. 5.3 - Prob. 15E Ch. 5.3 - Prob. 16E Ch. 5.3 - Prob. 17E Ch. 5.3 - Prob. 18E Ch. 5.3 - Prob. 19E Ch. 5.3 - Prob. 20E Ch. 5.3 - Prob. 21E Ch. 5.3 - Prob. 22E Ch. 5.3 - Prob. 23E Ch. 5.3 - Prob. 24E Ch. 5.3 - Prob. 25E Ch. 5.3 - Prob. 26E Ch. 5.3 - Prob. 27E Ch. 5.3 - Prob. 28E Ch. 5.3 - Prob. 29E Ch. 5.3 - Prob. 30E Ch. 5.3 - Prob. 31E Ch. 5.3 - Prob. 32E Ch. 5.3 - Prob. 33E Ch. 5.3 - Prob. 34E Ch. 5.3 - Prob. 35E Ch. 5.3 - Prob. 36E Ch. 5.3 - Prob. 37E Ch. 5.3 - Prob. 38E Ch. 5.3 - Prob. 39E Ch. 5.3 - Prob. 40E Ch. 5.3 - Prob. 41E Ch. 5.3 - Prob. 42E Ch. 5.3 - Prob. 43E Ch. 5.3 - Prob. 44E Ch. 5.3 - Prob. 45E Ch. 5.3 - Prob. 46E Ch. 5.3 - Prob. 47E Ch. 5.3 - Prob. 48E Ch. 5.3 - Prob. 49E Ch. 5.3 - Prob. 50E Ch. 5.3 - Prob. 51E Ch. 5.3 - Prob. 52E Ch. 5.3 - Prob. 53E Ch. 5.3 - Prob. 54E Ch. 5.3 - Prob. 55E Ch. 5.3 - Prob. 56E Ch. 5.3 - Prob. 57E Ch. 5.3 - Prob. 58E Ch. 5.3 - Prob. 59E Ch. 5.3 - Prob. 60E Ch. 5.3 - Prob. 61E Ch. 5.3 - Prob. 62E Ch. 5.3 - Prob. 63E Ch. 5.3 - Prob. 64E Ch. 5.3 - Prob. 65E Ch. 5.3 - Prob. 66E Ch. 5.3 - Prob. 67E Ch. 5.3 - Prob. 68E Ch. 5.3 - Prob. 69E Ch. 5.3 - Prob. 70E Ch. 5.3 - Prob. 71E Ch. 5.3 - Prob. 72E Ch. 5.3 - Prob. 73E Ch. 5.3 - Prob. 74E Ch. 5.3 - Prob. 75E Ch. 5.3 - Prob. 76E Ch. 5.3 - Prob. 77E Ch. 5.3 - Prob. 78E Ch. 5.3 - Prob. 79E Ch. 5.3 - Prob. 80E Ch. 5.3 - Prob. 81E Ch. 5.3 - Prob. 82E Ch. 5.3 - Prob. 83E Ch. 5.3 - Prob. 84E Ch. 5.3 - Prob. 85E Ch. 5.3 - Prob. 86E Ch. 5.3 - Prob. 87E Ch. 5.3 - Prob. 88E Ch. 5.3 - Prob. 89E Ch. 5.3 - Prob. 90E Ch. 5.3 - Prob. 91E Ch. 5.3 - Prob. 92E Ch. 5.3 - Prob. 93E Ch. 5.3 - Prob. 94E Ch. 5.3 - Prob. 95E Ch. 5.3 - Prob. 96E Ch. 5.3 - Prob. 97E Ch. 5.3 - Prob. 98E Ch. 5.3 - Prob. 99E Ch. 5.3 - Prob. 100E Ch. 5.3 - Prob. 101E Ch. 5.3 - Prob. 102E Ch. 5.4 - Prob. 1E Ch. 5.4 - Prob. 2E Ch. 5.4 - Prob. 3E Ch. 5.4 - Prob. 4E Ch. 5.4 - Prob. 5E Ch. 5.4 - Prob. 6E Ch. 5.4 - Prob. 7E Ch. 5.4 - Prob. 8E Ch. 5.4 - Prob. 9E Ch. 5.4 - Prob. 10E Ch. 5.4 - Prob. 11E Ch. 5.4 - Prob. 12E Ch. 5.4 - Prob. 13E Ch. 5.4 - Prob. 14E Ch. 5.4 - Prob. 15E Ch. 5.4 - Prob. 16E Ch. 5.4 - Prob. 17E Ch. 5.4 - Prob. 18E Ch. 5.4 - Prob. 19E Ch. 5.4 - Prob. 20E Ch. 5.4 - Prob. 21E Ch. 5.4 - Prob. 22E Ch. 5.4 - Prob. 23E Ch. 5.4 - Prob. 24E Ch. 5.4 - Prob. 25E Ch. 5.4 - Prob. 26E Ch. 5.4 - Prob. 27E Ch. 5.4 - Prob. 28E Ch. 5.4 - Prob. 29E Ch. 5.4 - Prob. 30E Ch. 5.4 - Prob. 31E Ch. 5.4 - Prob. 32E Ch. 5.4 - Prob. 33E Ch. 5.4 - Prob. 34E Ch. 5.4 - Prob. 35E Ch. 5.4 - Prob. 36E Ch. 5.4 - Prob. 37E Ch. 5.4 - Prob. 38E Ch. 5.4 - Prob. 39E Ch. 5.4 - Prob. 40E Ch. 5.4 - Prob. 41E Ch. 5.4 - Prob. 42E Ch. 5.4 - Prob. 43E Ch. 5.4 - Prob. 44E Ch. 5.4 - Prob. 45E Ch. 5.4 - Prob. 46E Ch. 5.4 - Prob. 47E Ch. 5.4 - Prob. 48E Ch. 5.4 - Prob. 49E Ch. 5.4 - Prob. 50E Ch. 5.4 - Prob. 51E Ch. 5.4 - Prob. 52E Ch. 5.4 - Prob. 53E Ch. 5.4 - Prob. 54E Ch. 5.4 - Prob. 55E Ch. 5.4 - Prob. 56E Ch. 5.4 - a. Why are check digits important? Give an...Ch. 5.4 - Prob. 58E Ch. 5.4 - Prob. 59E Ch. 5.4 - Prob. 60E Ch. 5.4 - Prob. 61E Ch. 5.4 - Prob. 62E Ch. 5.4 - Prob. 63E Ch. 5.4 - Challenge Yourself When we do usual division of...Ch. 5.4 - Prob. 65E Ch. 5.CR - Prob. 1CR Ch. 5.CR - Prob. 2CR Ch. 5.CR - Prob. 3CR Ch. 5.CR - Prob. 4CR Ch. 5.CR - Prob. 5CR Ch. 5.CR - Prob. 6CR Ch. 5.CR - Prob. 7CR Ch. 5.CR - Prob. 8CR Ch. 5.CR - Prob. 9CR Ch. 5.CR - Prob. 10CR Ch. 5.CR - Prob. 11CR Ch. 5.CR - Prob. 12CR Ch. 5.CR - Prob. 13CR Ch. 5.CR - Prob. 14CR Ch. 5.CR - Prob. 15CR Ch. 5.CR - Prob. 16CR Ch. 5.CR - Prob. 17CR Ch. 5.CR - Prob. 18CR Ch. 5.CR - Prob. 19CR Ch. 5.CR - Prob. 20CR Ch. 5.CR - Prob. 21CR Ch. 5.CR - Prob. 22CR Ch. 5.CR - Prob. 23CR Ch. 5.CT - Write 3,685 in Roman notation.Ch. 5.CT - Prob. 2CT Ch. 5.CT - Write 2647 and A3E16 as base-10 numerals.Ch. 5.CT - Prob. 4CT Ch. 5.CT - Prob. 5CT Ch. 5.CT - Prob. 6CT Ch. 5.CT - Prob. 7CT Ch. 5.CT - Prob. 8CT Ch. 5.CT - Prob. 9CT Ch. 5.CT - Prob. 10CT Ch. 5.CT - Prob. 11CT Ch. 5.CT - Prob. 12CT Ch. 5.CT - Prob. 13CT Ch. 5.CT - Prob. 14CT Ch. 5.CT - Prob. 15CT Ch. 5.CT - Prob. 16CT Ch. 5.CT - Prob. 17CT Ch. 5.CT - Prob. 18CT Ch. 5.CT - Prob. 19CT Ch. 5.CT - Prob. 20CT Ch. 5.CT - Prob. 21CT Ch. 5.CT - Prob. 22CT

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