![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
\
\
The given statement is “![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=c25aeecce8306f1d0f699d93a63268e3.png\")
”
Associative property of multiplication:
\The way in which numbers are grouped when multiplied does not change the product.
\For any numbers a, b and c;![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=9ac7dd0020331203b6ff7f28a6d9893d.png\")
According to associative property, the statement can be written as
\![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=12142b712a3dafff430796656214be46.png\")
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step2.JPG\")
\
\
\
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=eeee648992f716ba515503a1662c5808.png\")
(Multiply:![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=cf1f0e49750087f120c189bc4eab0b14.png\")
)
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=2bd389d709ddfaec5b4014e99ccd842e.png\")
(Multiply: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=9709f5acf8cd0b6fcbf341254cb8ff4d.png\")
) ![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
The product is 420.