1. The problem is to evaluate $46^0$. 2. The rule for any nonzero number raised to the power of zero is: $$a^0 = 1 \quad \text{for any } a \neq 0$$ 3. Since 46 is a nonzero number, applying the rule: $$46^0 = 1$$ 4. Therefore, the final answer is 1.