# Exponent

## Exponent

Numerical or algebraic expression that makes up the second term of an exponentiation, the first term being the base.

### Notation

The expression $${a}^{n}$$ is read “a raised to the exponent n“.

### Examples

• In the expression $${3}^{4}$$ = 81, the exponent is 4.
• In the expression $${25}^{\frac{1}{2}}$$ = 5, the exponent is $$\frac{1}{2}$$.