To simplify the expression you provided (it seems like it might be a number rather than an expression involving exponents), I assume you might be looking for something related to exponents.
If you have a specific expression with exponents that you'd like simplified, please clarify or provide that expression. For example, if you meant \( \frac{a^m}{a^n} \), then the simplified form would be \( a^{m-n} \).
If you're looking for help with a specific mathematical operation or question, please provide more details so I can assist you better.