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  • 25-02-2021
  • Mathematics
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which expression is equivalent to (-5 x 2^2 x 2^0)^-2

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xchx xchx
  • 25-02-2021
=(-5 x 4 x 1)^-2
= (-20)^-2
= 1/(-20)^2
= 1/400

so D then i think
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