You can 
put this solution on YOUR website! Use the indicated property to write an
 expression that is equivalent to the 
   following expression.
	(10 • 5) • 20 
(associative property of multiplication)
Just move the parentheses from associating 
the 1st with the 2nd, to associating the 2nd 
with the 3rd, like this
	 10 • (5  • 20)       
Edwin