7. Calcula la raíz en cada caso. a cube root of 8/125 = _ b square root of 0,0625= _ c square root of [5]- 32/243 = _ d square root of 0,0009= _

a \dfrac{2}{5}b \dfrac{1}{4}c - \dfrac{2}{3}d \dfrac{3}{100}