1. The problem is to evaluate the expression $\frac{2}{0}$. 2. Division by zero is undefined in mathematics because dividing by zero does not produce a finite or meaningful result. 3. The rule is: for any number $a$, $\frac{a}{0}$ is undefined. 4. Therefore, $\frac{2}{0}$ is undefined and cannot be evaluated further. 5. In summary, division by zero is not allowed and has no value.