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Simplify the expression. [(–5)–7 (–5)8]3

Simplify the expression. [(–5)–7 (–5)8]3
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Simplify the expression. [(–5)–7 (–5)8]3

User Ryan Tuosto
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\bf [(-5)^(-7)(-5)^8]^3\implies \left[(-5)^(-7+8) \right]^3\implies \left[ (-5)^1 \right]^3 \\\\\\ (-5)^(1\cdot 3)\implies (-5)^3\implies (-5)(-5)(-5)\implies -125
User Manix
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