Help me please give the answer of this question also
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1)9^-3 => 1/9³ => 1/729
2) 5⁷/5² => 5^7-2 => 5⁵ => 3125
3) (6/7)^-2 => 6^-2 / 7-2 => 7² / 6² => 49/36
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