(i) 512
512 = 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2
= 29 [Using product rule]
(ii) 343
343 = 7 x 7 x 7 = 71+1+1
= 73 [Using product rule]
(iii) 729
729 = 3 x 3 x 3 x 3 x 3 x 3
= 36 [Using product rule]
(iv) 3125
3125 = 5 x 5 x 5 x 5 x 5
= 55 [Using product rule]