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


6z+4x=

Base-Exponent-Power

Common Mistakes

The Zero Exponent Rule:

Incorrect:4^0=4

Correct:4^0=1