### Theory:

An exponent is a small number written above and to the right of the base number, tells how many times the base number is being multiplied.
The base a raised to the power of n is equal to the multiplication of a, n times:
$a·a·a·\mathrm{...}·a$ = ${a}^{n}$
$$a$$ is the base and $$n$$ is the exponent.

For example, 3 to the power 4” may be written as ${3}^{4}$. Here, the base number is $$3,$$ and the exponent is $$4$$. It means that $$3$$ is being multiplied by itself $$4$$ times: $$3$$ x $$3$$ x $$3$$ x $$3$$.
Where,
$$3$$ x $$3$$ x $$3$$ x $$3$$ $$=$$ $$81$$ or ${3}^{4}$ = $$81.$$
Example:
$\begin{array}{l}{3}^{1}=3\\ {3}^{2}=3·3=9\\ {3}^{3}=3·3·3=27\\ {3}^{4}=3·3·3·3=81\\ {3}^{5}=3·3·3·3·3=243\end{array}$