a) $$(2m^3)^4 = 2^4 * (m^3)^4 = 16m^{12}$$
б) $$(3a)^2 = 3^2 * a^2 = 9a^2$$
в) $$(-0,6m^3n^2)^3 = (-0,6)^3 * (m^3)^3 * (n^2)^3 = -0,216m^9n^6$$
г) $$(-2xy^3)^2 = (-2)^2 * x^2 * (y^3)^2 = 4x^2y^6$$
д) $$(-xy^4b^2)^4 = (-1)^4 * x^4 * (y^4)^4 * (b^2)^4 = x^4y^{16}b^8$$
e) $$(-x^2y^3m)^5 = (-1)^5 * (x^2)^5 * (y^3)^5 * m^5 = -x^{10}y^{15}m^5$$