((2y^(-4))/(7z^(5)))^(-3) Write the expression using only positive exponents. Assume no denominator equals zero.

“exterior angles of triangles. an exterior (or external) angle is the angle between one side of a triangle and the extension of an adjacent side. try this drag the orange dots on any vertex to reshape the triangle.” look to get to the answer i explained what it means and other things i hope it you .