match each word with its definition. Expression Exponent Term Order of Operations. :: The rules that state the sequence in which the multiple operations in an expression should be solved. Mathematical statements that contain numbers or variables, or both :: A single number or variable, or numbers and variables multiplied together. They are separated by + or - signs. Expressed as a raised symbol beside the number or expression indicating how many times a value is multiplied by itself (eg 3 in 23 = 2 × 2 × 2)​