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Find the product of 20x9x5. Tell which property is used.

Sagot :

The answer is 900 because 20×9=180 and just multiply 180×5 and that equals 900.

Answer:

The property used is Commutative property.

Step-by-step explanation:

To find : The product of [tex]20\times 9\times 5[/tex]. Tell which property is used.

Solution :

Product of [tex]20\times 9\times 5[/tex]

Applying Commutative property to make calculation easier,

i.e. [tex]a\times b=b\times a[/tex]

Rearrange the terms,

[tex]20\times 9\times 5=(20\times 5)\times 9[/tex]

Multiply first bracket,

[tex]20\times 9\times 5=100\times 9[/tex]

Multiply,

[tex]20\times 9\times 5=900[/tex]

Therefore, The property used is Commutative property.

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