3 years ago

Which expression is equivalent to (-5 x 2^2 x 2^0)^-2

Mathematics

1 answer:

Aloiza [94]3 years ago

3 0

=(-5 x 4 x 1)^-2
= (-20)^-2
= 1/(-20)^2
= 1/400

so D then i think

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