Question

1. Which of the following numbers are not perfect cubes?
(0) 216
(ii) 128
(iii) 1000
(iv) 100​

Answer 1

answer

(iv) 100

hi army

Answer 2

Answer:

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Step-by-step explanation:

(iii) 1000

Grouping the prime factors of 216 into triples, no factor is left over. ∴ 216 is a perfect cube. ∴ 128 is not a perfect cube. ∴ 1000 is a perfect cube.