Find the cube roots of the following numbers.
(1) -729
(2) 8000
(3) 2744
(4) 6859
(1) Here,
729 = 9 × 81
= 9 × 9 × 9
Therefore
Therefore
(2) Here,
8000 = 20 × 400
= 20 × 20 × 20
Therefore
(3) Here,
2744 = 14 × 196
= 14 × 14 × 14
Therefore
(4) Here,
6859 = 19 × 361
= 19 × 19 × 19
Therefore