Evaluate:
(i) (8)³
(ii) (15)³
(iii) (21)³
(iv) (60)³

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Solution

(i) (8)³ = $(8 \times 8 \times 8)$ = 512.
Thus, the cube of 8 is 512.
(ii) (15)³= $(15 \times 15 \times 15)$ = 3375.
Thus, the cube of 15 is 3375.
(iii) (21)³= $(21 \times 21 \times 21)$ = 9261.
Thus, the cube of 21 is 9261.
(iv) (60)³= $(60 \times 60 \times 60)$ = 216000.
Thus, the cube of 60 is 216000.

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