   Chapter 2.3, Problem 48E

Chapter
Section
Textbook Problem

Multiply: ( − 3 ) ( − 1 ) ( + 1 ) ( + 2 )

To determine

To calculate: The value of the numbers (3)(1)(+1)(+2).

Explanation

Given Information:

The numbers are (3)(1)(+1)(+2).

Formula used:

The steps for the multiplication of more than two signed numbers are shown as below:

Step 1: Multiply the absolute value of more than two numbers by placing a positive sign, just before the product, if total count of negative factors is even.

Step 2: Multiply the absolute value of more than two numbers by placing a negative sign, just before the product, if total count of negative factors is odd.

Calculation:

Recall the provided numbers.

(3)(1)(+1)(+2)

Observe that the total count of negative factors is 2 which is an even integer

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