Simplify the following expression to simplest form using only positive exponents. (32x^-40y^-30) 4/5

= (32^(4/5) * x^(-40 * 4/5) * y^(-30 * 4/5))

= (2^5 * x^(-32) * y^(-24))
= (32 / (x^32 * y^24))