(−1/27)−2/3=(-1/27)^{-2/3}=(−1/27)−2/3= A1/9B9C-1/9D-9Answer: B. 9 Read Explanation: (−1/27)−2/3(-1/27)^{-2/3}(−1/27)−2/3=(−13)−2/3(33)−2/3∵amn=am×an=\frac{(-1^3){-2/3}}{(3^3)^{-2/3}}\because{a^{mn}}=a^m\times{a^n}=(33)−2/3(−13)−2/3∵amn=am×an=(−1/3)−2=(-1/3)^{-2}=(−1/3)−2=−32=-3^2=−32=−3×−3=-3\times-3=−3×−3=9=9=9 Read more in App