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*every time* it appears. Then use the order of operations to find the resulting value for the expression.

**A monomial is an algebraic expression that has only one term.The basic building block of a polynomial is a monomial. A monomial is one term and can be a number, a variable, or the product of a number and variables with an exponent. The number part of the term is called the coefficient.**

**The coefficient can be any real number, including 0. The exponent of the variable must be a whole number—0, 1, 2, 3, and so on. A monomial cannot have a variable in the denominator or a negative exponent.**

**The value of the exponent is the degree of the monomial. Remember that a variable that appears to have no exponent really has an exponent of 1. And a monomial with no variable has a degree of 0. (Since x^{0} has the value of 1 if x ≠ 0, a number such as 3 could also be written 3x^{0}, if x ≠ 0. as 3x^{0 }= 3 • 1 = 3.)**

**A polynomial is an algebraic expression that has more than one term.**