The expression is .
Simplify the expression.
(Original expression) \ \
(Negative exponents property: )
(Simplify)
.
Student A is correct.
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=f66478a566504bc7fd840e3267f99100.png\")
. (Original expression) \ \
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=858d1d739c6a94abbd166ca8bf949f60.png\")
(Negative exponents property: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=25beb232fa6072aaae7dee66f0d56ac2.png\")
)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=900f377647bd60a5cd3a905a08a23dcd.png\")
(Simplify)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=91c6252cbb2b746141ce49126e611a03.png\")
.![\"\"](\"/userfiles/image/steps_images/solution.JPG\")