# Base of a Power

## Base of a Power

In an exponentiation, the number $$a$$ that we raise to a certain power $$n$$. In the expression $${a}^{n}$$, the number $$a$$ is called the base and the number $$n$$ is the exponent.

### Example

In the expression “7² = 49″, the number 7 is the base of the 2nd power of 7.