Ответ:\((2a)^{20}=2^{20}a^{20}\);\((1.5b)^5=1.5^5b^5\);\(\left(\frac{2}{17}c\right)^7=\left(\frac{2}{17}\right)^7c^7\);\((-4d)^{12}=(-4)^{12}d^{12}=4^{12}d^{12}\).