Ex 6.1, 1 - Is 1000 a perfect cube? - Cubes and Cube Roots Class 8 - Ex 6.1

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Ex 6.1, 1 Which of the following numbers are not perfect cubes? (iii) 1000 Doing Prime factorization of 1000 We see that 1000 = 2 × 2 × 2 × 5 × 5 × 5 Since 2 & 5 occur in triplets, ∴ 1000 is a perfect cube.

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