Question

identify the property used in each of the following cases



40×99=99×40
​

Answer 1

Step-by-step explanation:

answer=associative property

Answer 2

The property used in 40 × 99 = 99 × 40 is Commutative property under multiplication

Given :

40 × 99 = 99 × 40

To find :

The property used in 40 × 99 = 99 × 40

Concept :

Commutative property under multiplication states that for two integers a and b

a × b = b × a

Solution :

Step 1 of 2 :

Write down the given expression

The given expression is 40 × 99 = 99 × 40

Step 2 of 2 :

Mention the property used

We know that Commutative property under multiplication states that for two integers a and b

a × b = b × a

We take a = 40 , b = 99

Then above becomes 40 × 99 = 99 × 40

Hence the property used in 40 × 99 = 99 × 40 is Commutative property under multiplication

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