# given expression ( 4 9 ) − 1 2 .

### 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 23E

(a)

To determine

## To evaluate: given expression (49)−12 .

Expert Solution

(49)12=32

### Explanation of Solution

Given information:

Given expression

(49)12

Calculation:

Consider the given expression.

(49)12

Evaluate the above expression as follows:

(49)12=(2232)12 use4=22,9=32=(3222)12 Usean=1an=(32)1 Use(am)n=amn=32

(b)

To determine

Expert Solution

(32)25=4

### Explanation of Solution

Given information:

Given expression

(32)25 .

Calculation:

Consider the given expression.

(32)25

Evaluate the above expression as follows:

(32)25=(25)25 Use25=32=(2)2 Use(am)n=amn=4

(c)

To determine

Expert Solution

3225=4 .

### Explanation of Solution

Given information:

Given expression

3225

Calculation:

Consider the given expression.

3225

Evaluate the above expression as follows:

3225=(25)25 Use25=32=(2)2 Use(am)n=amn=4

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