To solve the expression \( -123.45 - (-234.76) \) using the additive inverse, we can rewrite it as:
\[ -123.45 + 234.76 \]
Now, let's perform the addition:
\[ -123.45 + 234.76 = 234.76 - 123.45 \]
Calculating \( 234.76 - 123.45 \):
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Align the numbers by their decimal points:
234.76 -123.45
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Subtract the numbers:
234.76 -123.45 --------- 111.31
Thus, the answer is \( 111.31 \).
So the correct response is:
111.31