(2+7/9)^0.5+(2+10/27)^2/3-(27/125)^(-1/3)

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(2+7/9)^0.5+(2+10/27)^2/3-(27/125)^(-1/3)
(2+7/9)^0.5+(2+10/27)^2/3-(27/125)^(-1/3)

(2+7/9)^0.5+(2+10/27)^2/3-(27/125)^(-1/3)
(2+7/9)^0.5+(2+10/27)^2/3-(27/125)^(-1/3)
=(25/9)^0.5+(64/27)^2/3-(27/125)^(-1/3)
=5/3+16/9-5/3
=16/9