Check digit: The individual digits in the number are added together and the unit digit of the result is called check digit and it is used for error detection. The check digit is stored with the number. For example, Consider the number 3422. Count the numbers from left to right, it produces the sum of the digits as 11 (3+4+2+2), so the number would be stored as 3422-1. Because 1 is the unit’s digit in the result 11. Hence, “1” is the check digit of the number “3422”.

Question

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Answer 1

Question

Chapter 18, Problem 39E

a.

Program Plan Intro

Check digit:

The individual digits in the number are added together and the unit digit of the result is called check digit and it is used for error detection.

The check digit is stored with the number.

For example,

Consider the number 3422.

Count the numbers from left to right, it produces the sum of the digits as 11 (3+4+2+2), so the number would be stored as 3422-1. Because 1 is the unit’s digit in the result 11.

Hence, “1” is the check digit of the number “3422”.

b.

Explanation of Solution

Check digit for “1498” numbers:

The check digit for the number 1498 can be determined by the following steps:

Step 1: Count the given number from left to right.

c.

Explanation of Solution

Check digit for “1668” numbers:

The check digit of the number 1668 can be determined by the following steps:

Step 1: Count the given number from left to right.

d.

Explanation of Solution

Check digit for “2001” numbers:

The check digit for the number 2001 can be determined by the following steps:

Step 1: Count the given number from left to right.

e.

Explanation of Solution

Check digit for “4040” numbers:

The check digit for the number 4040 can be determined by the following steps:

Step 1: Count the given number from left to right.

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Answer 2

Question

Chapter 18, Problem 39E

a.

Program Plan Intro

Check digit:

The individual digits in the number are added together and the unit digit of the result is called check digit and it is used for error detection.

The check digit is stored with the number.

For example,

Consider the number 3422.

Count the numbers from left to right, it produces the sum of the digits as 11 (3+4+2+2), so the number would be stored as 3422-1. Because 1 is the unit’s digit in the result 11.

Hence, “1” is the check digit of the number “3422”.

b.

Explanation of Solution

Check digit for “1498” numbers:

The check digit for the number 1498 can be determined by the following steps:

Step 1: Count the given number from left to right.

c.

Explanation of Solution

Check digit for “1668” numbers:

The check digit of the number 1668 can be determined by the following steps:

Step 1: Count the given number from left to right.

d.

Explanation of Solution

Check digit for “2001” numbers:

The check digit for the number 2001 can be determined by the following steps:

Step 1: Count the given number from left to right.

e.

Explanation of Solution

Check digit for “4040” numbers:

The check digit for the number 4040 can be determined by the following steps:

Step 1: Count the given number from left to right.

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 3

Question

Chapter 18, Problem 39E

a.

Program Plan Intro

Check digit:

The individual digits in the number are added together and the unit digit of the result is called check digit and it is used for error detection.

The check digit is stored with the number.

For example,

Consider the number 3422.

Count the numbers from left to right, it produces the sum of the digits as 11 (3+4+2+2), so the number would be stored as 3422-1. Because 1 is the unit’s digit in the result 11.

Hence, “1” is the check digit of the number “3422”.

b.

Explanation of Solution

Check digit for “1498” numbers:

The check digit for the number 1498 can be determined by the following steps:

Step 1: Count the given number from left to right.

c.

Explanation of Solution

Check digit for “1668” numbers:

The check digit of the number 1668 can be determined by the following steps:

Step 1: Count the given number from left to right.

d.

Explanation of Solution

Check digit for “2001” numbers:

The check digit for the number 2001 can be determined by the following steps:

Step 1: Count the given number from left to right.

e.

Explanation of Solution

Check digit for “4040” numbers:

The check digit for the number 4040 can be determined by the following steps:

Step 1: Count the given number from left to right.

Expert Solution & Answer

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Check out a sample textbook solution

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Answer 4

Question

Chapter 18, Problem 39E

a.

Program Plan Intro

Check digit:

The individual digits in the number are added together and the unit digit of the result is called check digit and it is used for error detection.

The check digit is stored with the number.

For example,

Consider the number 3422.

Count the numbers from left to right, it produces the sum of the digits as 11 (3+4+2+2), so the number would be stored as 3422-1. Because 1 is the unit’s digit in the result 11.

Hence, “1” is the check digit of the number “3422”.

b.

Explanation of Solution

Check digit for “1498” numbers:

The check digit for the number 1498 can be determined by the following steps:

Step 1: Count the given number from left to right.

c.

Explanation of Solution

Check digit for “1668” numbers:

The check digit of the number 1668 can be determined by the following steps:

Step 1: Count the given number from left to right.

d.

Explanation of Solution

Check digit for “2001” numbers:

The check digit for the number 2001 can be determined by the following steps:

Step 1: Count the given number from left to right.

e.

Explanation of Solution

Check digit for “4040” numbers:

The check digit for the number 4040 can be determined by the following steps:

Step 1: Count the given number from left to right.

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 5

Chapter 18, Problem 39E

a.

Program Plan Intro

Check digit:

The individual digits in the number are added together and the unit digit of the result is called check digit and it is used for error detection.

The check digit is stored with the number.

For example,

Consider the number 3422.

Count the numbers from left to right, it produces the sum of the digits as 11 (3+4+2+2), so the number would be stored as 3422-1. Because 1 is the unit’s digit in the result 11.

Hence, “1” is the check digit of the number “3422”.

b.

Explanation of Solution

Check digit for “1498” numbers:

The check digit for the number 1498 can be determined by the following steps:

Step 1: Count the given number from left to right.

c.

Explanation of Solution

Check digit for “1668” numbers:

The check digit of the number 1668 can be determined by the following steps:

Step 1: Count the given number from left to right.

d.

Explanation of Solution

Check digit for “2001” numbers:

The check digit for the number 2001 can be determined by the following steps:

Step 1: Count the given number from left to right.

e.

Explanation of Solution

Check digit for “4040” numbers:

The check digit for the number 4040 can be determined by the following steps:

Step 1: Count the given number from left to right.

Answer 6

Chapter 18, Problem 39E

a.

Program Plan Intro

Check digit:

The individual digits in the number are added together and the unit digit of the result is called check digit and it is used for error detection.

The check digit is stored with the number.

For example,

Consider the number 3422.

Count the numbers from left to right, it produces the sum of the digits as 11 (3+4+2+2), so the number would be stored as 3422-1. Because 1 is the unit’s digit in the result 11.

Hence, “1” is the check digit of the number “3422”.

Answer 7

Chapter 18, Problem 39E

a.

Program Plan Intro

Check digit:

The individual digits in the number are added together and the unit digit of the result is called check digit and it is used for error detection.

The check digit is stored with the number.

For example,

Consider the number 3422.

Count the numbers from left to right, it produces the sum of the digits as 11 (3+4+2+2), so the number would be stored as 3422-1. Because 1 is the unit’s digit in the result 11.

Hence, “1” is the check digit of the number “3422”.

Answer 8

b.

Explanation of Solution

Check digit for “1498” numbers:

The check digit for the number 1498 can be determined by the following steps:

Step 1: Count the given number from left to right.

Answer 9

b.

Explanation of Solution

Check digit for “1498” numbers:

The check digit for the number 1498 can be determined by the following steps:

Step 1: Count the given number from left to right.

Answer 10

c.

Explanation of Solution

Check digit for “1668” numbers:

The check digit of the number 1668 can be determined by the following steps:

Step 1: Count the given number from left to right.

Answer 11

c.

Explanation of Solution

Check digit for “1668” numbers:

The check digit of the number 1668 can be determined by the following steps:

Step 1: Count the given number from left to right.

Answer 12

d.

Explanation of Solution

Check digit for “2001” numbers:

The check digit for the number 2001 can be determined by the following steps:

Step 1: Count the given number from left to right.

Answer 13

d.

Explanation of Solution

Check digit for “2001” numbers:

The check digit for the number 2001 can be determined by the following steps:

Step 1: Count the given number from left to right.

Answer 14

e.

Explanation of Solution

Check digit for “4040” numbers:

The check digit for the number 4040 can be determined by the following steps:

Step 1: Count the given number from left to right.

Answer 15

e.

Explanation of Solution

Check digit for “4040” numbers:

The check digit for the number 4040 can be determined by the following steps:

Step 1: Count the given number from left to right.

Answer 16

Expert Solution & Answer

Answer 17

Expert Solution & Answer

Answer 18

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Answer 19

Ch. 18 - Prob. 1E Ch. 18 - Prob. 2E Ch. 18 - Prob. 3E Ch. 18 - Prob. 4E Ch. 18 - Prob. 5E Ch. 18 - Prob. 6E Ch. 18 - Prob. 7E Ch. 18 - Prob. 8E Ch. 18 - Prob. 9E Ch. 18 - Prob. 10E

Videos

Explanation of Solution

Check digit for “1498” numbers:

The check digit for the number 1498 can be determined by the following steps:

Step 1: Count the given number from left to right.

Explanation of Solution

Check digit for “1668” numbers:

The check digit of the number 1668 can be determined by the following steps:

Step 1: Count the given number from left to right.

Explanation of Solution

Check digit for “2001” numbers:

The check digit for the number 2001 can be determined by the following steps:

Step 1: Count the given number from left to right.

Explanation of Solution

Check digit for “4040” numbers:

The check digit for the number 4040 can be determined by the following steps:

Step 1: Count the given number from left to right.

Want to see the full answer?

Chapter 18 Solutions

Videos

Explanation of Solution

Check digit for “1498” numbers: The check digit for the number 1498 can be determined by the following steps: Step 1: Count the given number from left to right.

Explanation of Solution

Check digit for “1668” numbers: The check digit of the number 1668 can be determined by the following steps: Step 1: Count the given number from left to right.

Explanation of Solution

Check digit for “2001” numbers: The check digit for the number 2001 can be determined by the following steps: Step 1: Count the given number from left to right.

Explanation of Solution

Check digit for “4040” numbers: The check digit for the number 4040 can be determined by the following steps: Step 1: Count the given number from left to right.

Want to see the full answer?

Chapter 18 Solutions

Check digit for “1498” numbers:

The check digit for the number 1498 can be determined by the following steps:

Step 1: Count the given number from left to right.

Check digit for “1668” numbers:

The check digit of the number 1668 can be determined by the following steps:

Step 1: Count the given number from left to right.

Check digit for “2001” numbers:

The check digit for the number 2001 can be determined by the following steps:

Step 1: Count the given number from left to right.

Check digit for “4040” numbers:

The check digit for the number 4040 can be determined by the following steps:

Step 1: Count the given number from left to right.