Lesson 3.1 ­ Distributive Law.notebook March 01, 2015 a combination of numbers and letters (symbols) numerical part (number) of a term the letters (symbols) the sum of the exponents on each krm's variables * a number is called a constant and has a degree of 0. → remove brackets / collect like terms. Lesson 3.1 ­ Distributive Law.notebook March 01, 2015 leading terms first-last inside terms last last