The expression is .
(Rewrite )
Apply power property of logarithm: .
(Substitute )
The value of is approximately .
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=1bd1ce3dfccab6064d9bc687bec1455c.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=31bdaf2abf7dd5b6e38591bf6b97a91a.png\")
(Rewrite ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=01654baaec2540c0b68e50f60fefb65a.png\")
)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=536379a910192d6aca6aa8f34391f6f2.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=4f1a076f7fe3aa3935f22d471a6779d9.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=31bc1fc526e166290eecdbf169595415.png\")
(Substitute ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=3b7b2f05e05bb989cf0d68a1f216bd25.png\")
)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=26fbff879385676e70644ece6e5145d6.png\")
![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
is approximately ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=25899692af45e2de14e7ce7765d2cced.png\")
.