- Natural Numbers: \(\sqrt{64}\)
- Whole Numbers: \(0, \sqrt{64}\)
- Integers: \(-13, 0, \sqrt{64}\)
- Rational Numbers: \(-13, -\frac{3}{7}, 0, 0.2, \sqrt{64}\)
- Irrational Numbers: \(\sqrt{7}, \pi\)
- Real Numbers: \(-13, -\frac{3}{7}, 0, 0.2, \sqrt{7}, \pi, \sqrt{64}\)
\[
\boxed{
\begin{array}{ll}
\text{Natural Numbers:} & \sqrt{64} \\
\text{Whole Numbers:} & 0, \sqrt{64} \\
\text{Integers:} & -13, 0, \sqrt{64} \\
\text{Rational Numbers:} & -13, -\frac{3}{7}, 0, 0.2, \sqrt{64} \\
\text{Irrational Numbers:} & \sqrt{7}, \pi \\
\text{Real Numbers:} & -13, -\frac{3}{7}, 0, 0.2, \sqrt{7}, \pi, \sqrt{64} \\
\end{array}
}
\]