Applicare la formula: $\frac{a^n}{a}$$=a^{\left(n-1\right)}$, dove $a^n/a=\frac{64x^3}{4x}$, $a^n=x^3$, $a=x$ e $n=3$

Applicare la formula: $\frac{a^m}{a^n}$$=a^{\left(m-n\right)}$, dove $a^n=y^2$, $a^m=y^6$, $a=y$, $a^m/a^n=\frac{-8y^6}{2y^2}$, $m=6$ e $n=2$

Applicare la formula: $\frac{ab}{c}$$=\frac{a}{c}b$, dove $ab=64x^{2}$, $a=64$, $b=x^{2}$, $c=4$ e $ab/c=\frac{64x^{2}}{4}$

Applicare la formula: $\frac{ab}{c}$$=\frac{a}{c}b$, dove $ab=-8y^{4}$, $a=-8$, $b=y^{4}$, $c=2$ e $ab/c=\frac{-8y^{4}}{2}$