If r, s, and t are constants such that [tex]\frac{x^{r-2}\cdot y^{2s}\cdot z^{3t+1}}{x^{2r}\cdot y^{s-4}\cdot z^{2t-3}}=xyz[/tex] for all non-zero x, y, and z, then solve for [tex]r^s\cdot t[/tex]. Express your answer as a fraction.