The product is zzz.
Since z is a factor 3 times.
So, use the base z as a factor 3 times and write the power.
The solution is .
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=2c79e0d5788750e7a50decf451e8857d.png\")
zz.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=262bb8d1c665efb04b94c203af2e6c63.png\")
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=e433bc9536ac581ce1dda9d6ae385508.png\")
.