Example 1: exponent:

5^2

Example 2: two digit exponent:

5^{20}

example 3: fractions

\frac{3}{5}

example 4: adding operations:

3x^2\cdot5x^7 3x^2\div5x^7

Example 5: change size:

6^{-5}

Example 6: change text color

6^5

Example 7: change background color:

5^3