The expression is .
(Substitute 6 for k)
(Write the base 6 as a factor 2 times)
(Multiply: )
The solution is 36.
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=7765cac8dd1141ef5f20ed1af00cd9e0.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=3dcc16ba1898cb1d212718c0d5e03137.png\")
(Substitute 6 for k) ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=296d1568ae12ae06daa01d1e4167d1e0.png\")
(Write the base 6 as a factor 2 times)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=327b2857f3c8c214f4b37ba6e3fe5bb5.png\")
(Multiply: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=472f172cd97fe4f453d7ecb0bac7fe24.png\")
)![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")