![\"\"](\"http://c4anything.com/userfiles/image/steps_images/step1.JPG\")
Select two different Irrational numbers and then determine whether
\the product is an Irrational number.
\Try some examples.
\![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=b967ffbc11f78e36983da75ceabbe3e9.png\")
This is not an Irrational number, so the set of Irrational numbers is
\not closed under Multiplication.![\"\"](\"http://c4anything.com/userfiles/image/steps_images/solution.JPG\")
The set of Irrational numbers is not closed under Multiplication.