To rationalize the denominator of the expression \(\frac{8}{\sqrt{3}}\), you can multiply both the numerator and denominator by \(\sqrt{3}\):
\[ \frac{8}{\sqrt{3}} \cdot \frac{\sqrt{3}}{\sqrt{3}} = \frac{8\sqrt{3}}{3} \]
So, the expression \(\frac{8}{\sqrt{3}}\) rationalized is:
\[ \frac{8\sqrt{3}}{3} \]
This is the simplified exact answer.