(0.25)^(1/2)×(-1/27)^(-2/3)是怎么化简?

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(0.25)^(1/2)×(-1/27)^(-2/3)是怎么化简?(0.25)^(1/2)×(-1/27)^(-2/3)是怎么化简?(0.25)^(1/2)×(-1/27)^(-2/3)是怎么化简?(

(0.25)^(1/2)×(-1/27)^(-2/3)是怎么化简?
(0.25)^(1/2)×(-1/27)^(-2/3)是怎么化简?

(0.25)^(1/2)×(-1/27)^(-2/3)是怎么化简?
(0.25)^(1/2)×(-1/27)^(-2/3)
=(1/4)^(1/2)×(-1/27)^(-2/3)
=[(1/2)^2]^1/2×[(-1/3)^3]^(-2/3)
=(1/2)^(2×1/2)×(-1/3)^(-3*2/3)
=1/2×(-1/3)^(-2)
=1/2×1/(-1/3)^2
=1/2×1/(1/9)
=1/2×9
=9/2