The Zero Power Rule states that any non-zero number raised to the power of zero is equal to 1. Therefore, we can evaluate \(-4^0\) as follows:
\[ -4^0 = 1 \]
Now we can substitute this value into the expression:
\[ -4^0 \cdot 15 = 1 \cdot 15 = 15 \]
So, the final result is:
\[ -4^0 \cdot 15 = 15 \]