Applicare la formula: $\frac{a^m}{a^n}$$=a^{\left(m-n\right)}$, dove $a^n=m^5$, $a^m=m^9$, $a=m$, $a^m/a^n=\frac{m^9}{m^5}$, $m=9$ e $n=5$

Applicare la formula: $\frac{a^m}{a^n}$$=a^{\left(m-n\right)}$, dove $a^n=m^3$, $a^m=m^{4}$, $a=m$, $a^m/a^n=\frac{m^{4}}{m^3}$, $m=4$ e $n=3$