math
posted by jakie on .
how can knowing the multiplication properties help you evaluate 5 x ( 20 x 63)

By the Associative Property of Multiplication
5x(20x63)
= (5x20)x63
= 100x63
= 6300 
6300

It helps you by knowing that you can switch the numbers around to help make the problem easier. Instead of doing 20x63, make it easy and do 20x5 and then do the answer to 20x5 and multiply it by 63.

How can knowing the multiplication properties help you evaluate 5 × (20 × 63)

6300

Properties will help you make the problem easier instead of the hard way...

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