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Explain it if you know that 7x8=56,how can you use the commutative(order) property of multiplication to find the product of 8x7?

Respuesta :

shantevinson
The communicative property for multiplication states that the order of the multiplicands and can be swapped and the resulting product stays the same.
So 
A * B = B * A 
So if
7*8=56
then the commutative property says
8*7=56 as well since you can swap the order of the terms on the left and not change the result.
This property is true for addition and multiplication. It does not hold for subtraction or division. 
Hope that makes sense and helps. (:

  Basic rules of algebra are Associative, commutative and distributive law.

By commutative rule, 8 × 7 = 7 × 8 = 56.

 Commutative law of multiplication states,

A × B = B × A

By this rule, we can rewrite 8 × 7 as 7 × 8.

And the solution of the expression will be 8 × 7 = 7 × 8 = 56.

    Therefore, by commutative property of multiplication will be 56.

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