216 Возведите в степень произведение:1) (8a2b4c3) 3;2) (9х+у);3) (-1,2х5y7z3)2; 4) (-1,2abc).​

1) (8a^2b^4c^3)^2 = 64a^4b^16c^9

2)(9x+y)^2 = 81x^2 + 18xy + y^2

3) ((-1,2х^5y^7z^3)^2)^2 = (1,44x^10y^14z^9)^2 = 2,0736x^100y^196z^81

4) (-1,2abc)^2 = 1,44a^2b^2c^2