Выполните умножение:
а) $4xy * 3y^7$;
б) $2xy^2 * 2xy^2$;
в) $10a^2b * 0,1ab^5$;
г) $2p^2c^3 * 3p^2c$;
д) $-m * 4m^3n^4$;
е) $-c^2d * 2c^3d$;
ж) $6a^5b^3 * (-4ab^2)$;
з) $-xy * (-x^3y^2)$;
и) $-2a^2 * (-0,5ax^4)$.
$4xy * 3y^7 = (4 * 3) * x * (y * y^7) = 12xy^{8}$
$2xy^2 * 2xy^2 = (2 * 2) * (x * x) * (y^2 * y^2) = 4x^2y^4$
$10a^2b * 0,1ab^5 = (10 * 0,1) * (a^2 * a) * (b * b^5) = a^3b^6$
$2p^2c^3 * 3p^2c = (2 * 3) * (p^2 * p^2) * (c^3 * c) = 6p^4c^4$
$-m * 4m^3n^4 = (-1 * 4) * (m * m^3) * n^4 = -4m^4n^4$
$-c^2d * 2c^3d = (-1 * 2) * (c^2 * c^3) * (d * d) = -2c^5d^2$
$6a^5b^3 * (-4ab^2) = (6 * (-4)) * (a^5 * a) * (b^3 * b^2) = -24a^6b^5$
$-xy * (-x^3y^2) = (-1 * (-1)) * (x * x^3) * (y * y^2) = x^4y^3$
$-2a^2 * (-0,5ax^4) = (-2 * (-0,5)) * (a^2 * a) * x^4 = a^3x^4$
Пожауйста, оцените решение