Evaluating Expressions

What is an Exponent?

Exponents are used as a short way to represent a number. The exponent is the number of times the base is multiplied by itself. Sometimes this symbol ^ is used to represent an exponent.

How to Evaluate Expressions?

To evaluate an expression or algebraic expression you have to substitute a number with a variable continuing to evaluate the problem.

Calculate the following expression for x=3 and z=2



Common Mistakes

The Zero Exponent Rule: