![\"\"](\"/userfiles/image/Library/Commutative_Property_of_multiplication.gif\")
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
The statement is “![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=55399ea5b70598de01a88b449a59f94e.png\")
”.
Commutative property of multiplication:
\The order in which numbers are multiplied does not change the product.
\For any numbers a and b, ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=052c9755161f061d2909acb72df48684.png\")
.
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=0c44908adf742048ad21e6d30efdd0f1.png\")
(According to commutative property of multiplication: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=6cb9fc8f4fc42109c5ba14064801d1dd.png\")
)![\"\"](\"/userfiles/image/steps_images/step2.JPG\")
Associative property multiplication:
\The way in which numbers are grouped when multiplied does not change the product.
\For any numbers a, b and c; ![\"\"](\"http://www.mathskey.com/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=746cbf08a80dc718696d940493692f55.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=f07912534df4ca34f68c17a864f9f6c8.png\")
(Multiply: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=b60356d34c51a4e214ed0f0d786c3cbe.png\")
)![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
The simplified expression is 90z.