Homework Help: 5th grade math

Posted by kaytlyn on Monday, October 11, 2010 at 9:38pm.

How can knowing the multiplication. Properties help you evaluate five times twenty times sixty three

5th grade math - Jen, Monday, October 11, 2010 at 10:34pm
Because you would know 20*5=100 and to multiply anything by 100, you add 2 zeroes to the end of it, so it's 6300.
5th grade math - James, Tuesday, November 30, 2010 at 4:40pm
949864

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