Answer:
Step-by-step explanation:
[tex]\frac{a^{m}}{a^{n}}=a^{m-n}\\\\ a^{-m}=\frac{1}{a^{m}}\\\\\frac{48p^{3}m^{4}n}{12pmn^{4}}=4*p^{3-1}*m^{4-1}n^{1-4}\\\\=4p^{2}m^{3}n^{-3}\\\\=\frac{4p^{2}m^{3}}{n^{3}}[/tex]
