yunker912 yunker912
  • 01-06-2018
  • Mathematics
contestada

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

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jdoe0001 jdoe0001
  • 01-06-2018
[tex]\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[/tex]
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