To simplify the expression \( 3Y^0 \):
Recall that any non-zero number raised to the power of zero is equal to 1. Therefore, \( Y^0 = 1 \) (assuming \( Y \) is not equal to zero).
Now, substituting this back into the expression:
\[ 3Y^0 = 3 \times 1 = 3 \]
So, the simplified expression is:
\[ 3 \]