д) $$(-10x^2y^4)^3 = (-10)^3 \cdot (x^2)^3 \cdot (y^4)^3 = -1000x^{2 \cdot 3}y^{4 \cdot 3} = -1000x^6y^{12}$$
Ответ: $$-1000x^6y^{12}$$
е) $$-(3ab^4)^2 = - (3^2 \cdot a^2 \cdot (b^4)^2) = -(9a^2b^{4 \cdot 2}) = -9a^2b^8$$
Ответ: $$-9a^2b^8$$
ж) $$\left(\frac{1}{2}a^2\right)^5 = \left(\frac{1}{2}\right)^5 \cdot (a^2)^5 = \frac{1}{32}a^{2 \cdot 5} = \frac{1}{32}a^{10}$$
Ответ: $$\frac{1}{32}a^{10}$$
з) $$(0.1c^5)^4 = (0.1)^4 \cdot (c^5)^4 = 0.0001c^{5 \cdot 4} = 0.0001c^{20}$$
Ответ: $$0.0001c^{20}$$