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(- 5)-3 × (- 5)-4 = .........................A) (-5)-7B) (-5)7 C) \(\frac{1}{(5)^7}\)D) \(\frac{1}{(-5)^{-7}}\) |
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Answer» Correct option is (A) (-5)-7 \((-5)^{-3}\times(-5)^{-4}=(-5)^{(-3)+(-4)}\) = \((-5)^{-7}\) Correct option is A) (-5)-7 |
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