6 Simplifique: a) 8^(2)/(3) d) 121^-(1)/(2) b) 9^(3)/(4) e) 16^-(3)/(4) C) 625^-(3)/(4) f) (-125)^-(2)/(3)

a) $8^{\frac {2}{3}} = 4$<br />b) $9^{\frac {3}{4}} = 27$<br />c) $625^{-\frac {3}{4}} = \frac{1}{125}$<br />d) $121^{-\frac {1}{2}} = \frac{1}{11}$<br />e) $16^{-\frac {3}{4}} = \frac{1}{8}$<br />f) $(-125)^{-\frac {2}{3}} = \frac{1}{25}$