The expression $1$ can be rewritten as a power of 3 as $3^0$.

So, $1$ is equivalent to $3^0$.

Would you like more details or have any questions?

Here are some related questions:

1. What is the value of $3^1$?
2. How can you express $1/9$ as a power of 3?
3. What does $3^{-2}$ equal in fraction form?
4. How would you rewrite $27$ as a power of 3?
5. What is the value of $3^0 + 3^1$?

Tip: Any non-zero number raised to the power of 0 equals 1.