а) (xy)2 = xy*xy = x^2y^2
б) (ab)2 = ab*ab = a^2b^2
в) (2x)3 = 2x*2x*2x = 8x^3
г) (3y)2 = 3y*3y= 9y^2
д) (2abc)1 = 2abc*1 = 2abc
е) (3muk)2 = 3muk*3muk = 9m^2u^2k^2
ж) (13xy)9 = 13xy*13xy*13xy*13xy*13xy*13xy*13xy*13xy*13xy
з)(17cd)20=17cd*17cd*17cd*17cd*17cd*17cd*17cd*17cd*17cd*17cd*17cd*17cd*17cd*17cd*17cd*17cd*17cd*17cd*17cd*17cd