Applicare la formula: $\frac{a^n}{a}$$=a^{\left(n-1\right)}$, dove $a^n/a=\frac{60x^2y^3}{12xy}$, $a^n=x^2$, $a=x$ e $n=2$

Applicare la formula: $\frac{a^n}{a}$$=a^{\left(n-1\right)}$, dove $a^n/a=\frac{60xy^3}{12y}$, $a^n=y^3$, $a=y$ e $n=3$

Applicare la formula: $\frac{ab}{c}$$=\frac{a}{c}b$, dove $ab=60xy^{2}$, $a=60$, $b=xy^{2}$, $c=12$ e $ab/c=\frac{60xy^{2}}{12}$