simplify :- (9)^3×27/(3^-2) ×3^7
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9^3 × 27/3^-2 × 3^7
(3^2)^3 × 3^2/3^3 × 3^7
3^6 × 1/3^3-^2 × 3^7
3^6 × 1/3^1 × 3^7
3^6+^7/3^1
3^13/3^1
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