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Chapter 1: Q1. (page 17)

Name the property used in each step:

2鈰�3+(4鈰�2鈭�8)=2鈰�3+(8鈭�8)______=2鈰�3+(0)______=6+0______=6______

Short Answer

Expert verified

2鈰�3+(4鈰�2鈭�8)=2鈰�3+(8鈭�8)Substitution炉4鈰�2=8=2鈰�3+(0)Substitution炉8鈭�8=0=6+0Substitution炉2鈰�3=6=6Substitution炉6+0=6

Step by step solution

01

– Given information.

Given expression is:

2鈰�3+4鈰�2鈭�8=2鈰�3+8鈭�8______=2鈰�3+0______=6+0______=6______

02

– Write the concept.

The substitution property for multiplication, addition and subtraction is:

a鈰�b=ca卤b=c

03

– Write the property.

Since,

2鈰�3+4鈰�2鈭�8=2鈰�3+8鈭�8______=2鈰�3+0______=6+0______=6______

In 1st step,

4鈰�2=8(Substitution Property)

In 2nd step,

8鈭�8=0(Substitution Property)

In 3rd step,

2鈰�3=6(Substitution Property)

In 4th step,

6+0=6(Substitution Property)

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