   Chapter 2.4, Problem 20E

Chapter
Section
Textbook Problem

Perform the indicated operations and simplify: 21 8 × 1 7 9

To determine

To calculate: The simplified form of the expression 218×179 by performing the indicated operation.

Explanation

Given Information:

The provided expression is:

218×179

Formula used:

Multiplying two signed numbers includes:

Step 1. In order to multiply two numbers having same sign, their absolute values must be multiplied. With this a positive result will be obtained.

Step 2. And in order to multiply two numbers with different signs, their absolute values must be multiplied and before the product a negative sign must be placed.

Calculation:

Consider the expression:

218×179

First, change the mixed number to fraction,

218×179=218×169

Since, the two fractions have same sign, their absolute values must be multiplied and before the product a positive sign must be placed

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