(i) 64^1/2 = (2⁶)^1/2

= 2^{6 * �}

= 2³

= 8

(ii) 32^1/5 = (2⁵)^1/5

= (2)^{5 * 1/5}

= 2

(iii) (125)^1/3 = (5³)^1/3

= 5