Mathematics
OpenStudy (anonymous):

Please Help me! Simplify the following expression, and rewrite it in an equivalent form with positive exponents. -11x^4y^-2/55x^-5y^-1

OpenStudy (saifoo.khan):

Do you know about this property? $\Large x^{-1} \to \frac{1}{x}$

OpenStudy (anonymous):

i do now...

OpenStudy (saifoo.khan):

Okay, cool. Now break the problem into parts, |dw:1338173325981:dw||dw:1338173381128:dw|