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Chapter 1: Q6. (page 19)

Evaluate the following expression. Name the property used in each step:

2.75+3.5+4.25+1.5

Short Answer

Expert verified

The value of the expression is: 2.75+3.5+4.25+1.5=12.

Step by step solution

01

– Given information.

Given expression is:

2.75+3.5+4.25+1.5

02

– Write the concept.

The substitution property for multiplication, addition and subtraction is:

a鈰�b=ca卤b=c

The commutative property of addition is:

a+b=b+a

03

– Evaluate the expression.

The expression 2.75+3.5+4.25+1.5can be solved in below:

2.75+3.5+4.25+1.5=2.75+4.25+3.5+1.5鈥夆赌夆赌夆赌夆赌夆赌夆赌夆赌夆赌夆赌�颁辞尘尘耻迟补迟颈惫别鈥夆赌塒谤辞辫别谤迟测=7+5鈥夆赌夆赌夆赌夆赌夆赌夆赌夆赌夆赌夆赌�厂耻产蝉迟颈迟耻迟颈辞苍鈥夆赌塒谤辞辫别谤迟测=12鈥夆赌夆赌夆赌夆赌夆赌夆赌夆赌夆赌夆赌�厂耻产蝉迟颈迟耻迟颈辞苍鈥夆赌塒谤辞辫别谤迟测

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