___ ___ _______ __________ 4∛81 = 4∛9*9 = 4∛3*3*3*3 = 4∛(3*3*3)*3 = ____ __ _ __ _ 4∛3³*3 = 4*∛3³*∛3 = 4*3*∛3 = 12∛3 And you leave it like that. Edwin