# the expression | ( − 2 ) ⋅ 6 | .

### 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 1.1, Problem 69E

(a)

To determine

## To evaluate: the expression |(−2)⋅6| .

Expert Solution

|(2)6|=12

### Explanation of Solution

Given information:

An expression is given as |(2)6| .

Formula used:

Absolute value property:

For any real number a,

|a|=a0|a|=|a|=a

Calculation:

Consider the given expression.

|(2)6|

Now, evaluate the expression:

|(2)6|=|12| [(a)b=ab]=|12| [|a|=|a|=a]=12

Hence, |(2)6|=12

(b)

To determine

Expert Solution

|(13)(15)|=5

### Explanation of Solution

Given information:

An expression is given as |(13)(15)| .

Formula used:

Absolute value property:

For any real number a,

|a|=a0|a|=|a|=a

Calculation:

Consider the given expression.

Now, evaluate the expression:

|(13)(15)|=|1315| [(a)(b)=ab]=|5| [|a|=|a|=a]=5

Hence, |(13)(15)|=5 .

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