The Zero Power Rule of Integer Exponents states that any non-zero number raised to the power of zero equals 1. That is:
\[ a^0 = 1 \quad \text{for any } a \neq 0. \]
In your expression, you have:
\[ 2.3 + (-1.478)^0. \]
Applying the Zero Power Rule:
\[ (-1.478)^0 = 1, \]
since \(-1.478\) is non-zero. Now, substituting this back into the original expression:
\[ 2.3 + 1. \]
Now, we can perform the addition:
\[ 2.3 + 1 = 3.3. \]
Therefore, the final answer is:
\[ \boxed{3.3}. \]
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