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The value of 27-⅓ (27-⅓ - 27-⅔)-¹ is:(a) -3/2(c) 3/2(b) 18(d) -2/3 |
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Answer» Step-by-step explanation: 27-⅓ (27-⅓ - 27-⅔)-¹ = 3³×-⅓ (3³×-⅓ - 3³×-⅔)-¹ = 3-¹ (3-¹ - 3-²)-¹ = 1/3 (1/3 - 1/3²)-¹ = 1/3 (1/3 - 1/9)-¹ = 1/3 (3/9 - 1/9)-¹ = 1/3 (2/9)-¹ = 1/3 (9/2) = 3/2 |
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