The expression is .
The word less than indicates minus it is represent symbol ()
The sentence is: A number less than 10
A number less than 10.
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=7fdb3e8755533a1a9119d5281740581f.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=90a2dffa4cf28836c23bfcd658a94d29.png\")
)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=8c1156a0bc9ab3879d4dcc5f93183630.png\")
![\"\"](\"/userfiles/image/steps_images/solution.JPG\")