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4 ^ { - 3 } \quad \text { (ii) } ( - 2 ) ^ { 7 } \quad \text { (iii) } ( \frac { 3 } { 4 } ) ^ { - 3 } \quad \text { (iv) } ( - 3 ) ^ { - 4 } |
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Answer» 4^(-3)=1/64(-2)^7=-128(3/4)^(-3)=64/27(-3)^(-4)=1/81 |
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