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 \(\frac{1}{2}\).