Ответ:
\((4ac)^2:(0,5a^3c)^2=\frac{16a^2c^2}{0,25a^6c^2}=64a^{-4}=\frac{64}{a^4}.\)
\(\left(\frac{2}{3}x^2y^3\right)^3\cdot(-9x^4)^2=\frac{8}{27}x^6y^9\cdot81x^8=24x^{14}y^9.\)
Ответ: \(\frac{64}{a^4}\); \(24x^{14}y^9\).
\((4ac)^2:(0,5a^3c)^2=\frac{16a^2c^2}{0,25a^6c^2}=64a^{-4}=\frac{64}{a^4}.\)
\(\left(\frac{2}{3}x^2y^3\right)^3\cdot(-9x^4)^2=\frac{8}{27}x^6y^9\cdot81x^8=24x^{14}y^9.\)
Ответ: \(\frac{64}{a^4}\); \(24x^{14}y^9\).