# To rationalize: the denominator of expression 1 10 .

### Precalculus: Mathematics for Calcu...

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

### Precalculus: Mathematics for Calcu...

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

#### Solutions

Chapter 1.2, Problem 89E

(a)

To determine

## To rationalize: the denominator of expression 110 .

Expert Solution

110=1010

### Explanation of Solution

Given information:

Given expression

110

Calculation:

Consider the given expression.

110

Now, multiply the numerator and denominator by 10 .

110=110×1010=1010

Hence,

110=1010

(b)

To determine

Expert Solution

2x=2xx

### Explanation of Solution

Given information:

Given expression

2x

Calculation:

Consider the given expression.

2x

Now, multiply the numerator and denominator by x .

2x=2x×xx=2xx

Hence,

(c)

To determine

Expert Solution

x3=3x3

### Explanation of Solution

Given information:

Given expression

x3

Calculation:

Consider the given expression.

x3

Now, multiply the numerator and denominator by 3 .

x3=x3×33=3x3

Hence,

x3=3x3

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