Laws of Index 6

\(\left(xz{w}^{-2}\right)\left({x}^{3}{y}^{4}{z}^{-4}{w}^{3}\right)=\left(1\right)\left(1\right){x}^{1+3}{y}^{4}{z}^{1-4}{w}^{-2+3}={x}^{4}{y}^{4}{z}^{-3}w\)