1.

(2/3)-3 = ..................A) 27/8B) 7/8C) 1/7D) 1/6

Answer»

Correct option is (A) 27/8

\((\frac{2}{3})^{-3}=\left[(\frac{2}{3})^{-1}\right]^3=(\frac32)^{3}\) \(=\frac{3^3}{2^3}=\frac{27}{8}\)

Correct option is  A) 27/8 



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