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High School Math Algebra Pre-Algebra, Student Edition

Property shown in given expression.

Property shown in given expression.

Pre-Algebra, Student Edition

Pre-Algebra, Student Edition

1st Edition

ISBN: 9780078885150

Author: McGraw-Hill

Publisher: Glencoe/McGraw-Hill

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Concept explainers

A percentage is a number indicated as a fraction of 100. It is a dimensionless number often expressed using the symbol %.

Algebraic Expressions

In mathematics, an algebraic expression consists of constant(s), variable(s), and mathematical operators. It is made up of terms.

Numbers are some measures used for counting. They can be compared one with another to know its position in the number line and determine which one is greater or lesser than the other.

Before we begin to understand the subtraction of algebraic expressions, we need to list out a few things that form the basis of algebra.

Before we begin to understand the addition of algebraic expressions, we need to list out a few things that form the basis of algebra.

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Question

Chapter 1, Problem 12PT

To determine

Property shown in given expression.

Expert Solution & Answer

Answer to Problem 12PT

Multiplicative identity

Explanation of Solution

Given information:

20·1=20

Any number if multiplied with 1 , gives a product equal to the number itself, i.e.-

a·1=a

This is known as multiplicative identity.

Basis this we can say that 20·1=20 is representing multiplicative identity.

Chapter 1, Problem 11PT

Chapter 1, Problem 13PT

Chapter 1 Solutions

Pre-Algebra, Student Edition

Ch. 1.1 - Prob. 1ACYP Ch. 1.1 - Prob. 1BCYP Ch. 1.1 - Prob. 2ACYP Ch. 1.1 - Prob. 2BCYP Ch. 1.1 - Prob. 2CCYP Ch. 1.1 - Prob. 2DCYP Ch. 1.1 - Prob. 3CYP Ch. 1.1 - Prob. 1CYU Ch. 1.1 - Prob. 2CYU Ch. 1.1 - Prob. 3CYU

Ch. 1.1 - Prob. 4CYU Ch. 1.1 - Prob. 5CYU Ch. 1.1 - Prob. 6CYU Ch. 1.1 - Prob. 7CYU Ch. 1.1 - Prob. 8CYU Ch. 1.1 - Prob. 9CYU Ch. 1.1 - Prob. 10CYU Ch. 1.1 - Prob. 11CYU Ch. 1.1 - Prob. 12PPS Ch. 1.1 - Prob. 13PPS Ch. 1.1 - Prob. 14PPS Ch. 1.1 - Prob. 15PPS Ch. 1.1 - Prob. 16PPS Ch. 1.1 - Prob. 17PPS Ch. 1.1 - Prob. 18PPS Ch. 1.1 - Prob. 19PPS Ch. 1.1 - Prob. 20PPS Ch. 1.1 - Prob. 21PPS Ch. 1.1 - Prob. 22PPS Ch. 1.1 - Prob. 23PPS Ch. 1.1 - Prob. 24PPS Ch. 1.1 - Prob. 25PPS Ch. 1.1 - Prob. 26PPS Ch. 1.1 - Prob. 27PPS Ch. 1.1 - Prob. 28PPS Ch. 1.1 - Prob. 29PPS Ch. 1.1 - Prob. 30PPS Ch. 1.1 - Prob. 31PPS Ch. 1.1 - Prob. 32PPS Ch. 1.1 - Prob. 33PPS Ch. 1.1 - Prob. 34HP Ch. 1.1 - Prob. 35HP Ch. 1.1 - Prob. 36HP Ch. 1.1 - Prob. 37HP Ch. 1.1 - Prob. 38HP Ch. 1.1 - Prob. 39STP Ch. 1.1 - Prob. 40STP Ch. 1.1 - Prob. 41STP Ch. 1.1 - Prob. 42STP Ch. 1.2 - Prob. 1ACYP Ch. 1.2 - Prob. 1BCYP Ch. 1.2 - Prob. 2ACYP Ch. 1.2 - Prob. 2BCYP Ch. 1.2 - Prob. 3ACYP Ch. 1.2 - Prob. 3BCYP Ch. 1.2 - Prob. 3CCYP Ch. 1.2 - Prob. 4CYP Ch. 1.2 - Prob. 1CYU Ch. 1.2 - Prob. 2CYU Ch. 1.2 - Prob. 3CYU Ch. 1.2 - Prob. 4CYU Ch. 1.2 - Prob. 5CYU Ch. 1.2 - Prob. 6CYU Ch. 1.2 - Prob. 7CYU Ch. 1.2 - Prob. 8CYU Ch. 1.2 - Prob. 9CYU Ch. 1.2 - Prob. 10CYU Ch. 1.2 - Prob. 11CYU Ch. 1.2 - Prob. 12PPS Ch. 1.2 - Prob. 13PPS Ch. 1.2 - Prob. 14PPS Ch. 1.2 - Prob. 15PPS Ch. 1.2 - Prob. 16PPS Ch. 1.2 - Prob. 17PPS Ch. 1.2 - Prob. 18PPS Ch. 1.2 - Prob. 19PPS Ch. 1.2 - Prob. 20PPS Ch. 1.2 - Prob. 21PPS Ch. 1.2 - Prob. 22PPS Ch. 1.2 - Prob. 23PPS Ch. 1.2 - Prob. 24PPS Ch. 1.2 - Prob. 25PPS Ch. 1.2 - Prob. 26PPS Ch. 1.2 - Prob. 27PPS Ch. 1.2 - Prob. 28PPS Ch. 1.2 - Prob. 29PPS Ch. 1.2 - Prob. 30PPS Ch. 1.2 - Prob. 31PPS Ch. 1.2 - Prob. 32PPS Ch. 1.2 - Prob. 33PPS Ch. 1.2 - Prob. 34PPS Ch. 1.2 - Prob. 35PPS Ch. 1.2 - Prob. 36PPS Ch. 1.2 - Prob. 37PPS Ch. 1.2 - Prob. 38PPS Ch. 1.2 - Prob. 39PPS Ch. 1.2 - Prob. 40PPS Ch. 1.2 - Prob. 41HP Ch. 1.2 - Prob. 42HP Ch. 1.2 - Prob. 43HP Ch. 1.2 - Prob. 44HP Ch. 1.2 - Prob. 45STP Ch. 1.2 - Prob. 46STP Ch. 1.2 - Prob. 47STP Ch. 1.2 - Prob. 48STP Ch. 1.2 - Prob. 49SR Ch. 1.2 - Prob. 50SR Ch. 1.2 - Prob. 51SR Ch. 1.2 - Prob. 52SR Ch. 1.2 - Prob. 53SR Ch. 1.2 - Prob. 54SR Ch. 1.2 - Prob. 55SR Ch. 1.2 - Prob. 56SR Ch. 1.2 - Prob. 57SR Ch. 1.2 - Prob. 58SR Ch. 1.2 - Prob. 59SR Ch. 1.2 - Prob. 60SR Ch. 1.2 - Prob. 61S Ch. 1.2 - Prob. 62S Ch. 1.2 - Prob. 63S Ch. 1.2 - Prob. 64S Ch. 1.3 - Prob. 1CYP Ch. 1.3 - Prob. 2ACYP Ch. 1.3 - Prob. 2BCYP Ch. 1.3 - Prob. 2CCYP Ch. 1.3 - Prob. 2DCYP Ch. 1.3 - Prob. 3ACYP Ch. 1.3 - Prob. 3BCYP Ch. 1.3 - Prob. 4CYP Ch. 1.3 - Prob. 1CYU Ch. 1.3 - Prob. 2CYU Ch. 1.3 - Prob. 3CYU Ch. 1.3 - Prob. 4CYU Ch. 1.3 - Prob. 5CYU Ch. 1.3 - Prob. 6CYU Ch. 1.3 - Prob. 7CYU Ch. 1.3 - Prob. 8CYU Ch. 1.3 - Prob. 9CYU Ch. 1.3 - Prob. 10CYU Ch. 1.3 - Prob. 11CYU Ch. 1.3 - Prob. 12CYU Ch. 1.3 - Prob. 13CYU Ch. 1.3 - Prob. 14CYU Ch. 1.3 - Prob. 15PPS Ch. 1.3 - Prob. 16PPS Ch. 1.3 - Prob. 17PPS Ch. 1.3 - Prob. 18PPS Ch. 1.3 - Prob. 19PPS Ch. 1.3 - Prob. 20PPS Ch. 1.3 - Prob. 21PPS Ch. 1.3 - Prob. 22PPS Ch. 1.3 - Prob. 23PPS Ch. 1.3 - Prob. 24PPS Ch. 1.3 - Prob. 25PPS Ch. 1.3 - Prob. 26PPS Ch. 1.3 - Prob. 27PPS Ch. 1.3 - Prob. 28PPS Ch. 1.3 - Prob. 29PPS Ch. 1.3 - Prob. 30PPS Ch. 1.3 - Prob. 31PPS Ch. 1.3 - Prob. 32PPS Ch. 1.3 - Prob. 33PPS Ch. 1.3 - Prob. 34PPS Ch. 1.3 - Prob. 35PPS Ch. 1.3 - Prob. 36PPS Ch. 1.3 - Prob. 37PPS Ch. 1.3 - Prob. 38PPS Ch. 1.3 - Prob. 39PPS Ch. 1.3 - Prob. 40PPS Ch. 1.3 - Prob. 41PPS Ch. 1.3 - Prob. 42PPS Ch. 1.3 - Prob. 43PPS Ch. 1.3 - Prob. 44HP Ch. 1.3 - Prob. 45HP Ch. 1.3 - Prob. 46HP Ch. 1.3 - Prob. 47HP Ch. 1.3 - Prob. 48HP Ch. 1.3 - Prob. 49STP Ch. 1.3 - Prob. 50STP Ch. 1.3 - Prob. 51STP Ch. 1.3 - Prob. 52STP Ch. 1.3 - Prob. 53SR Ch. 1.3 - Prob. 54SR Ch. 1.3 - Prob. 55SR Ch. 1.3 - Prob. 56SR Ch. 1.3 - Prob. 57SR Ch. 1.3 - Prob. 58SR Ch. 1.3 - Prob. 59SR Ch. 1.3 - Prob. 60SR Ch. 1.3 - Prob. 61SR Ch. 1.3 - Prob. 62SR Ch. 1.3 - Prob. 63SR Ch. 1.3 - Prob. 64S Ch. 1.3 - Prob. 65S Ch. 1.3 - Prob. 66S Ch. 1.3 - Prob. 67S Ch. 1.3 - Prob. 68S Ch. 1.3 - Prob. 69S Ch. 1.3 - Prob. 70S Ch. 1.3 - Prob. 71S Ch. 1.4 - Prob. 1ACYP Ch. 1.4 - Prob. 1BCYP Ch. 1.4 - Prob. 1CCYP Ch. 1.4 - Prob. 1DCYP Ch. 1.4 - Prob. 2ACYP Ch. 1.4 - Prob. 2BCYP Ch. 1.4 - Prob. 3CYP Ch. 1.4 - Prob. 4ACYP Ch. 1.4 - Prob. 4BCYP Ch. 1.4 - Prob. 1CYU Ch. 1.4 - Prob. 2CYU Ch. 1.4 - Prob. 3CYU Ch. 1.4 - Prob. 4CYU Ch. 1.4 - Prob. 5CYU Ch. 1.4 - Prob. 6CYU Ch. 1.4 - Prob. 7CYU Ch. 1.4 - Prob. 8CYU Ch. 1.4 - Prob. 9CYU Ch. 1.4 - Prob. 10CYU Ch. 1.4 - Prob. 11CYU Ch. 1.4 - Prob. 12PPS Ch. 1.4 - Prob. 13PPS Ch. 1.4 - Prob. 14PPS Ch. 1.4 - Prob. 15PPS Ch. 1.4 - Prob. 16PPS Ch. 1.4 - Prob. 17PPS Ch. 1.4 - Prob. 18PPS Ch. 1.4 - Prob. 19PPS Ch. 1.4 - Prob. 20PPS Ch. 1.4 - Prob. 21PPS Ch. 1.4 - Prob. 22PPS Ch. 1.4 - Prob. 23PPS Ch. 1.4 - Prob. 24PPS Ch. 1.4 - Prob. 25PPS Ch. 1.4 - Prob. 26PPS Ch. 1.4 - Prob. 27PPS Ch. 1.4 - Prob. 28PPS Ch. 1.4 - Prob. 29PPS Ch. 1.4 - Prob. 30PPS Ch. 1.4 - Prob. 31PPS Ch. 1.4 - Prob. 32PPS Ch. 1.4 - Prob. 33PPS Ch. 1.4 - Prob. 34PPS Ch. 1.4 - Prob. 35PPS Ch. 1.4 - Prob. 36HP Ch. 1.4 - Prob. 37HP Ch. 1.4 - Prob. 38HP Ch. 1.4 - Prob. 39HP Ch. 1.4 - Prob. 40HP Ch. 1.4 - Prob. 41STP Ch. 1.4 - Prob. 42STP Ch. 1.4 - Prob. 43STP Ch. 1.4 - Prob. 44STP Ch. 1.4 - Prob. 45SR Ch. 1.4 - Prob. 46SR Ch. 1.4 - Prob. 47SR Ch. 1.4 - Prob. 48SR Ch. 1.4 - Prob. 49SR Ch. 1.4 - Prob. 50SR Ch. 1.4 - Prob. 51SR Ch. 1.4 - Prob. 52S Ch. 1.4 - Prob. 53S Ch. 1.4 - Prob. 54S Ch. 1.4 - Prob. 55S Ch. 1.4 - Prob. 56S Ch. 1.4 - Prob. 57S Ch. 1.5 - Prob. 1CYP Ch. 1.5 - Prob. 2ACYP Ch. 1.5 - Prob. 2BCYP Ch. 1.5 - Prob. 1CYU Ch. 1.5 - Prob. 2CYU Ch. 1.5 - Prob. 3CYU Ch. 1.5 - Prob. 4PPS Ch. 1.5 - Prob. 5PPS Ch. 1.5 - Prob. 6PPS Ch. 1.5 - Prob. 7PPS Ch. 1.5 - Prob. 8PPS Ch. 1.5 - Prob. 9PPS Ch. 1.5 - Prob. 10PPS Ch. 1.5 - Prob. 11PPS Ch. 1.5 - Prob. 12HP Ch. 1.5 - Prob. 13HP Ch. 1.5 - Prob. 14HP Ch. 1.5 - Prob. 15STP Ch. 1.5 - Prob. 16STP Ch. 1.5 - Prob. 17STP Ch. 1.5 - Prob. 18STP Ch. 1.5 - Prob. 19SR Ch. 1.5 - Prob. 20SR Ch. 1.5 - Prob. 21SR Ch. 1.5 - Prob. 22SR Ch. 1.5 - Prob. 23SR Ch. 1.5 - Prob. 24SR Ch. 1.5 - Prob. 25SR Ch. 1.5 - Prob. 26SR Ch. 1.5 - Prob. 27SR Ch. 1.5 - Prob. 28SR Ch. 1.5 - Prob. 29SR Ch. 1.5 - Prob. 30SR Ch. 1.5 - Prob. 31SR Ch. 1.5 - Prob. 32S Ch. 1.5 - Prob. 33S Ch. 1.5 - Prob. 34S Ch. 1.5 - Prob. 35S Ch. 1.6 - Prob. 1CYP Ch. 1.6 - Prob. 2CYP Ch. 1.6 - Prob. 3ACYP Ch. 1.6 - Prob. 3BCYP Ch. 1.6 - Prob. 3CCYP Ch. 1.6 - Prob. 1CYU Ch. 1.6 - Prob. 2PPS Ch. 1.6 - Prob. 3PPS Ch. 1.6 - Prob. 4PPS Ch. 1.6 - Prob. 5PPS Ch. 1.6 - Prob. 6PPS Ch. 1.6 - Prob. 7PPS Ch. 1.6 - Prob. 8PPS Ch. 1.6 - Prob. 9PPS Ch. 1.6 - Prob. 10PPS Ch. 1.6 - Prob. 11PPS Ch. 1.6 - Prob. 12PPS Ch. 1.6 - Prob. 13PPS Ch. 1.6 - Prob. 14PPS Ch. 1.6 - Prob. 15PPS Ch. 1.6 - Prob. 16HP Ch. 1.6 - Prob. 17HP Ch. 1.6 - Prob. 18HP Ch. 1.6 - Prob. 19HP Ch. 1.6 - Prob. 20HP Ch. 1.6 - Prob. 21HP Ch. 1.6 - Prob. 22HP Ch. 1.6 - Prob. 23STP Ch. 1.6 - Prob. 24STP Ch. 1.6 - Prob. 25STP Ch. 1.6 - Prob. 26STP Ch. 1.6 - Prob. 27SR Ch. 1.6 - Prob. 28SR Ch. 1.6 - Prob. 29SR Ch. 1.6 - Prob. 30SR Ch. 1.6 - Prob. 31SR Ch. 1.6 - Prob. 32SR Ch. 1.6 - Prob. 33SR Ch. 1.6 - Prob. 34S Ch. 1.6 - Prob. 35S Ch. 1.6 - Prob. 36S Ch. 1.6 - Prob. 37S Ch. 1.6 - Prob. 38S Ch. 1.6 - Prob. 39S Ch. 1 - Prob. 1QC Ch. 1 - Prob. 2QC Ch. 1 - Prob. 3QC Ch. 1 - Prob. 4QC Ch. 1 - Prob. 5QC Ch. 1 - Prob. 6QC Ch. 1 - Prob. 7QC Ch. 1 - Prob. 8QC Ch. 1 - Prob. 9QC Ch. 1 - Prob. 10QC Ch. 1 - Prob. 11QC Ch. 1 - Prob. 12QC Ch. 1 - Prob. 13QC Ch. 1 - Prob. 14QC Ch. 1 - Prob. 15QC Ch. 1 - Prob. 16QC Ch. 1 - Prob. 17QC Ch. 1 - Prob. 18QC Ch. 1 - Prob. 19QC Ch. 1 - Prob. 1MCQ Ch. 1 - Prob. 2MCQ Ch. 1 - Prob. 3MCQ Ch. 1 - Prob. 4MCQ Ch. 1 - Prob. 5MCQ Ch. 1 - Prob. 6MCQ Ch. 1 - Prob. 7MCQ Ch. 1 - Prob. 8MCQ Ch. 1 - Prob. 9MCQ Ch. 1 - Prob. 10MCQ Ch. 1 - Prob. 11MCQ Ch. 1 - Prob. 12MCQ Ch. 1 - Prob. 13MCQ Ch. 1 - Prob. 14MCQ Ch. 1 - Prob. 15MCQ Ch. 1 - Prob. 16MCQ Ch. 1 - Prob. 17MCQ Ch. 1 - Prob. 18MCQ Ch. 1 - Prob. 19MCQ Ch. 1 - Prob. 20MCQ Ch. 1 - Prob. 21MCQ Ch. 1 - Prob. 22MCQ Ch. 1 - Prob. 23MCQ Ch. 1 - Prob. 24MCQ Ch. 1 - Prob. 25MCQ Ch. 1 - Prob. 1SGR Ch. 1 - Prob. 2SGR Ch. 1 - Prob. 3SGR Ch. 1 - Prob. 4SGR Ch. 1 - Prob. 5SGR Ch. 1 - Prob. 6SGR Ch. 1 - Prob. 7SGR Ch. 1 - Prob. 8SGR Ch. 1 - Prob. 9SGR Ch. 1 - Prob. 10SGR Ch. 1 - Prob. 11SGR Ch. 1 - Prob. 12SGR Ch. 1 - Prob. 13SGR Ch. 1 - Prob. 14SGR Ch. 1 - Prob. 15SGR Ch. 1 - Prob. 16SGR Ch. 1 - Prob. 17SGR Ch. 1 - Prob. 18SGR Ch. 1 - Prob. 19SGR Ch. 1 - Prob. 20SGR Ch. 1 - Prob. 21SGR Ch. 1 - Prob. 22SGR Ch. 1 - Prob. 23SGR Ch. 1 - Prob. 24SGR Ch. 1 - Prob. 25SGR Ch. 1 - Prob. 26SGR Ch. 1 - Prob. 27SGR Ch. 1 - Prob. 28SGR Ch. 1 - Prob. 29SGR Ch. 1 - Prob. 30SGR Ch. 1 - Prob. 1PT Ch. 1 - Prob. 2PT Ch. 1 - Prob. 3PT Ch. 1 - Prob. 4PT Ch. 1 - Prob. 5PT Ch. 1 - Prob. 6PT Ch. 1 - Prob. 7PT Ch. 1 - Prob. 8PT Ch. 1 - Prob. 9PT Ch. 1 - Prob. 10PT Ch. 1 - Prob. 11PT Ch. 1 - Prob. 12PT Ch. 1 - Prob. 13PT Ch. 1 - Prob. 14PT Ch. 1 - Prob. 15PT Ch. 1 - Prob. 16PT Ch. 1 - Prob. 17PT Ch. 1 - Prob. 18PT Ch. 1 - Prob. 19PT Ch. 1 - Prob. 20PT Ch. 1 - Prob. 21PT Ch. 1 - Prob. 22PT Ch. 1 - Prob. 23PT Ch. 1 - Prob. 24PT Ch. 1 - Prob. 25PT Ch. 1 - Prob. 1E Ch. 1 - Prob. 2E Ch. 1 - Prob. 3E Ch. 1 - Prob. 4E Ch. 1 - Prob. 1STP Ch. 1 - Prob. 2STP Ch. 1 - Prob. 3STP Ch. 1 - Prob. 4STP Ch. 1 - Prob. 5STP Ch. 1 - Prob. 6STP Ch. 1 - Prob. 7STP Ch. 1 - Prob. 8STP Ch. 1 - Prob. 9STP Ch. 1 - Prob. 10STP Ch. 1 - Prob. 11STP

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