Respuesta:
\frac{(-5)^{3}.4^{6}.(-5)^{2}}{4.(-5)^{4}}
= \frac{(-5)^{3+2}.4^{6}}{4.(-5)^{4}}
= \frac{(-5)^{5}.4^{6}}{4.(-5)^4}
=(-5)^{5-4}.4^{6-1}
=-5120
\frac{[(-2)^{3}]^{4}.(2^{2})^{3}.[(-3)^{4}]^{3}}{2^{5}.(-2)^{5}.(-3)^{12}}
= \frac{(-2)^{12}.2^{6}.(-3)^{12}}{2^{5}.(-2)^{5}.(-3)^{12}}
=(-2)^{12-5}.2^{6-5}.(-3)^{12-12}
=(-2)^{7}.2^{1}.(-3)^{0}
=-256
= \frac{(-5)^{6}.3^{4}.(-5).3^{5}}{3^{3}.(-5)^{3}.(-5)^{2}}
= \frac{(-5)^{7}.3^{7}}{3^{3}.(-5)^{5}}
=(-5)^{7-5}.3^{7-3}
=(-5)^2.3^{4}
=2025
Explicación paso a paso: