Question

Anyone knows this ?
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Answer 1

(-2)^5 ×(5)^-2 ×(5/2)^2

= (-2)^5 × 1 × (5) ^2

(5)^2 (2)^2

= (-2)×(2)^2 ×(2)^2

(2)^2

=(-2)×(2)^2

=-8