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September 17, 2014

September 17, 2014

Posted by **jakie** on Monday, November 2, 2009 at 8:32pm.

- math -
**Reiny**, Monday, November 2, 2009 at 9:29pmBy the Associative Property of Multiplication

5x(20x63)

= (5x20)x63

= 100x63

= 6300

- math -
**lashantae**, Wednesday, October 6, 2010 at 10:04pm6300

- math -
**Math Whiz**, Sunday, October 28, 2012 at 12:06pmIt 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.

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