Evaluate:

(i) (8)3


(ii) (15)3


(iii) (21)3


(iv) (60)3

(i) To calculate the cube of (8)3


We have to multiply the given number three times;


= (8 × 8 × 8) = 512


So, 512 is the cube of 8.


(ii) (15)3


First multiply the given number three times;


= (15 × 15 ×15) = 3375


So, 3375 is the cube of 15


(iii) (21)3


First multiply the given number three times;


= (21 × 21 × 21) = 9261


9261 is the cube of 21.


(iv) (60)3


First multiply the given number three times;


= (60 × 60 × 60) = 216000


216000 is the cube of 60.


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