BuyFind

Precalculus: Mathematics for Calcu...

6th Edition
Stewart + 5 others
Publisher: Cengage Learning
ISBN: 9780840068071
BuyFind

Precalculus: Mathematics for Calcu...

6th Edition
Stewart + 5 others
Publisher: Cengage Learning
ISBN: 9780840068071

Solutions

Chapter 1.1, Problem 21E
To determine

To rewrite: the given expression by Properties of real numbers.

Expert Solution

Answer to Problem 21E

Using Associative Property of multiplicationof real numbers the expression can be written as 8m .

Explanation of Solution

Given information:

An expression is given as

  4(2m)

Concept used:

Associative Property of multiplication of real numbers:

If three real numbers are multiplied then the result does not depend on the order of multiplication.

Suppose a, b, and c are three real numbers, Associative Property of multiplication says that

  a(bc)=(ab)c

Calculation:

Consider the expression and simplify as shown:

  4(2m)=(42)m=8m

Therefore, 4(2m) , can be written by using Associative Property of multiplicationof real numbers, as 8m .

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