Rewrite the expression, using only positive exponents. x-5

1/x^5

http://www.purplemath.com/modules/exponent2.htm

In the future, you can find the information you desire more quickly, if you use appropriate key words to do your own search. Also see http://hanlib.sou.edu/searchtools/.

To rewrite the expression using only positive exponents, we need to move the x with a negative exponent to the denominator. Recall that any expression with a negative exponent can be rewritten as the reciprocal of the same expression with a positive exponent.

Therefore, we can rewrite x^(-5) as 1/x^5.