81^-3/4+(1/125)^-1/3-(1/32)^3/5

Question

81^-3/4+(1/125)^-1/3-(1/32)^3/5

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Answer 1

...=(3^4)^(-3/4) )+ (5^(-3))^(-1/3)) - (2^(-5)^(-3/5)) = 3^(-3) + 5 - 2^3=

= 1/27 + 5 - 8 = - 2целых 26/27