To simplify the expression \( a^{67} b^{34} \), we can look for common factors or ways to combine the terms.
The expression is already in its simplest form as it is a product of powers. If you want to express it as a single fraction with bases \( a \) and \( b \), you might keep it in that form:
\[ \frac{a^{67}}{b^{34}} \]
If you're looking for the response that best represents \( a^{67} b^{34} \), the options provided don't truly simplify it further. However, if we are expressing it in terms of powers of \( a \) and \( b \):
- \( a^{67} b^{34} \) (original form)
- \( ab^{33} \) is not equivalent to it.
- \( a^{33} \) is also not equivalent.
So the answer is that it stays as \( a^{67} b^{34} \), since none of the provided responses accurately reflect the expression as a simplification or transformation into a different standard form.
If you were referring to a specific format or form suitable to a mathematical context, please clarify. Otherwise, the answer represents itself clearly in its own notation.