a) Answer The number of area codes that were possible before 1995 are 160codes. Explanation Given information : Prior to 1995, area codes were in the format ABC, In the given event, The number of area codes that were possible before 1995 is given by, 8 × 2 × 10 = 160 c o d e s So, the number of area codes that were possible before 1995 are 160codes . b) To determine the number of area codes that were possible after the given change made. Answer The number of area codes that were possible after the given change made is 800codes . Explanation Given information : Prior to 1995, area codes were in the format ABC, In 1995, the restriction on the middle digit was removed, allowing any digit in that position. In the given event, The number of area codes that were possible after the given change made is given by, 8 × 10 × 10 = 800 c o d e s So, the number of area codes that were possible after the given change made is 800codes .

1st Edition

ISBN: 9780078884825

Author: McGraw-Hill/Glencoe

Publisher: Glencoe/McGraw-Hill School Pub Co

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Counting Principles

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Question

Chapter 0.4, Problem 16E

To determine

the number of area codes that were possible before 1995.

Expert Solution

Answer to Problem 16E

The number of area codes that were possible before 1995 are 160codes.

Explanation of Solution

Given information :

Prior to 1995, area codes were in the format ABC,

Algebra 2, Chapter 0.4, Problem 16E , additional homework tip 1

In the given event,

The number of area codes that were possible before 1995 is given by,

8×2×10=160codes

So, the number of area codes that were possible before 1995 are 160codes .

To determine

the number of area codes that were possible after the given change made.

Expert Solution

Answer to Problem 16E

The number of area codes that were possible after the given change made is 800codes .

Explanation of Solution

Given information :

Prior to 1995, area codes were in the format ABC,

Algebra 2, Chapter 0.4, Problem 16E , additional homework tip 2

In 1995, the restriction on the middle digit was removed, allowing any digit in that position.

In the given event,

The number of area codes that were possible after the given change made is given by,

8×10×10=800codes

So, the number of area codes that were possible after the given change made is 800codes .

Chapter 0.4, Problem 15E

Chapter 0.5, Problem 1E

Chapter 0 Solutions

Algebra 2

Ch. 0.1 - Prob. 1E Ch. 0.1 - Prob. 2E Ch. 0.1 - Prob. 3E Ch. 0.1 - Prob. 4E Ch. 0.1 - Prob. 5E Ch. 0.1 - Prob. 6E Ch. 0.1 - Prob. 7E Ch. 0.1 - Prob. 8E Ch. 0.1 - Prob. 9E Ch. 0.1 - Prob. 10E

Ch. 0.1 - Prob. 11E Ch. 0.1 - Prob. 12E Ch. 0.2 - Prob. 1E Ch. 0.2 - Prob. 2E Ch. 0.2 - Prob. 3E Ch. 0.2 - Prob. 4E Ch. 0.2 - Prob. 5E Ch. 0.2 - Prob. 6E Ch. 0.2 - Prob. 7E Ch. 0.2 - Prob. 8E Ch. 0.2 - Prob. 9E Ch. 0.2 - Prob. 10E Ch. 0.2 - Prob. 11E Ch. 0.2 - Prob. 12E Ch. 0.2 - Prob. 13E Ch. 0.2 - Prob. 14E Ch. 0.2 - Prob. 15E Ch. 0.2 - Prob. 16E Ch. 0.2 - Prob. 17E Ch. 0.2 - Prob. 18E Ch. 0.3 - Prob. 1E Ch. 0.3 - Prob. 2E Ch. 0.3 - Prob. 3E Ch. 0.3 - Prob. 4E Ch. 0.3 - Prob. 5E Ch. 0.3 - Prob. 6E Ch. 0.3 - Prob. 7E Ch. 0.3 - Prob. 8E Ch. 0.3 - Prob. 9E Ch. 0.3 - Prob. 10E Ch. 0.3 - Prob. 11E Ch. 0.3 - Prob. 12E Ch. 0.3 - Prob. 13E Ch. 0.3 - Prob. 14E Ch. 0.3 - Prob. 15E Ch. 0.3 - Prob. 16E Ch. 0.3 - Prob. 17E Ch. 0.3 - Prob. 18E Ch. 0.3 - Prob. 19E Ch. 0.3 - Prob. 20E Ch. 0.3 - Prob. 21E Ch. 0.3 - Prob. 22E Ch. 0.3 - Prob. 23E Ch. 0.3 - Prob. 24E Ch. 0.4 - Prob. 1E Ch. 0.4 - Prob. 2E Ch. 0.4 - Prob. 3E Ch. 0.4 - Prob. 4E Ch. 0.4 - Prob. 5E Ch. 0.4 - Prob. 6E Ch. 0.4 - Prob. 7E Ch. 0.4 - Prob. 8E Ch. 0.4 - Prob. 9E Ch. 0.4 - Prob. 10E Ch. 0.4 - Prob. 11E Ch. 0.4 - Prob. 12E Ch. 0.4 - Prob. 13E Ch. 0.4 - Prob. 14E Ch. 0.4 - Prob. 15E Ch. 0.4 - Prob. 16E Ch. 0.5 - Prob. 1E Ch. 0.5 - Prob. 2E Ch. 0.5 - Prob. 3E Ch. 0.5 - Prob. 4E Ch. 0.5 - Prob. 5E Ch. 0.5 - Prob. 6E Ch. 0.5 - Prob. 7E Ch. 0.5 - Prob. 8E Ch. 0.5 - Prob. 9E Ch. 0.5 - Prob. 10E Ch. 0.5 - Prob. 11E Ch. 0.5 - Prob. 12E Ch. 0.5 - Prob. 13E Ch. 0.5 - Prob. 14E Ch. 0.5 - Prob. 15E Ch. 0.5 - Prob. 16E Ch. 0.5 - Prob. 17E Ch. 0.5 - Prob. 18E Ch. 0.5 - Prob. 19E Ch. 0.5 - Prob. 20E Ch. 0.6 - Prob. 1E Ch. 0.6 - Prob. 2E Ch. 0.6 - Prob. 3E Ch. 0.6 - Prob. 4E Ch. 0.6 - Prob. 5E Ch. 0.6 - Prob. 6E Ch. 0.6 - Prob. 7E Ch. 0.6 - Prob. 8E Ch. 0.6 - Prob. 9E Ch. 0.6 - Prob. 10E Ch. 0.6 - Prob. 11E Ch. 0.6 - Prob. 12E Ch. 0.7 - Prob. 1E Ch. 0.7 - Prob. 2E Ch. 0.7 - Prob. 3E Ch. 0.7 - Prob. 4E Ch. 0.7 - Prob. 5E Ch. 0.7 - Prob. 6E Ch. 0.7 - Prob. 7E Ch. 0.7 - Prob. 8E Ch. 0.7 - Prob. 9E Ch. 0.7 - Prob. 10E Ch. 0.7 - Prob. 11E Ch. 0.7 - Prob. 12E Ch. 0.7 - Prob. 13E Ch. 0.7 - Prob. 14E Ch. 0.7 - Prob. 15E Ch. 0.7 - Prob. 16E Ch. 0.7 - Prob. 17E Ch. 0 - Prob. 1PR Ch. 0 - Prob. 2PR Ch. 0 - Prob. 3PR Ch. 0 - Prob. 4PR Ch. 0 - Prob. 5PR Ch. 0 - Prob. 6PR Ch. 0 - Prob. 7PR Ch. 0 - Prob. 8PR Ch. 0 - Prob. 9PR Ch. 0 - Prob. 10PR Ch. 0 - Prob. 11PR Ch. 0 - Prob. 12PR Ch. 0 - Prob. 13PR Ch. 0 - Prob. 14PR Ch. 0 - Prob. 15PR Ch. 0 - Prob. 16PR Ch. 0 - Prob. 17PR Ch. 0 - Prob. 18PR Ch. 0 - Prob. 19PR Ch. 0 - Prob. 20PR Ch. 0 - Prob. 21PR Ch. 0 - Prob. 22PR Ch. 0 - Prob. 23PR Ch. 0 - Prob. 24PR Ch. 0 - Prob. 25PR Ch. 0 - Prob. 26PR Ch. 0 - Prob. 27PR Ch. 0 - Prob. 28PR Ch. 0 - Prob. 29PR Ch. 0 - Prob. 30PR Ch. 0 - Prob. 31PR Ch. 0 - Prob. 32PR Ch. 0 - Prob. 33PR Ch. 0 - Prob. 34PR Ch. 0 - Prob. 1PO Ch. 0 - Prob. 2PO Ch. 0 - Prob. 3PO Ch. 0 - Prob. 4PO Ch. 0 - Prob. 5PO Ch. 0 - Prob. 6PO Ch. 0 - Prob. 7PO Ch. 0 - Prob. 8PO Ch. 0 - Prob. 9PO Ch. 0 - Prob. 10PO Ch. 0 - Prob. 11PO Ch. 0 - Prob. 12PO Ch. 0 - Prob. 13PO Ch. 0 - Prob. 14PO Ch. 0 - Prob. 15PO Ch. 0 - Prob. 16PO Ch. 0 - Prob. 17PO Ch. 0 - Prob. 18PO Ch. 0 - Prob. 19PO Ch. 0 - Prob. 20PO Ch. 0 - Prob. 21PO Ch. 0 - Prob. 22PO Ch. 0 - Prob. 23PO Ch. 0 - Prob. 24PO Ch. 0 - Prob. 25PO Ch. 0 - Prob. 26PO Ch. 0 - Prob. 27PO Ch. 0 - Prob. 28PO Ch. 0 - Prob. 29PO Ch. 0 - Prob. 30PO Ch. 0 - Prob. 31PO Ch. 0 - Prob. 32PO Ch. 0 - Prob. 33PO Ch. 0 - Prob. 34PO

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