The expression is .
(Substitute 6 for k) \ \
(Write the base 6 as a factor 5 times)
(Multiply: )
The solution is 7776.
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=2ae0e5d98f2411af73a1faa2e4f098fa.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=7e27429d83bd86f544d6d17f7f505344.png\")
(Substitute 6 for k) \ \
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=ca6436722cb60e3e51effdeba3f99355.png\")
(Write the base 6 as a factor 5 times)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=9b33a29794232d1a98d09b1ead50cba4.png\")
(Multiply: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=3dd1e16f9c1a37d5866d94005e8640cc.png\")
)![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")