Exponents are a way to write the multiplication of a term by itself several times in a shortened form.

The number that is multiplied by itself is called the **base**, while the number of times the base is multiplied is called the exponent.

$a^n=a\cdot a\cdot a$... (*n* times)

**For example:**

$5\cdot5\cdot5\cdot5=5^4$

**$5$** is the base, while **$4$** is the exponent.

In this case, the number **$5$** is multiplied by itself **$4$** times and, therefore, it is expressed as **$5$**** to the fourth power** or **$5$**** to the power of** **$4$**.