To find \(-2445 - 6710\) using the additive inverse method, we can rewrite the expression as:
\[ -2445 + (-6710) \]
In this case, we will simply add the two numbers together:
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First, we find the sum of the absolute values: \[ 2445 + 6710 = 9155 \]
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Since both numbers are negative, we attach the negative sign to the sum: \[ -9155 \]
Thus, the result of \(-2445 - 6710\) is:
\[ \boxed{-9155} \]