Question

verify if 400 is a perfect cube or not​

Answer 1

Step-by-step explanation:

400 = 2 ⋅ 2 ⋅ 2 ⋅ 2 ⋅ 5 ⋅ 5

In the product, we have four 2's and two 5's.

After grouping 2's as triples, we left over with one 2 and two 5's.

Hence 400 is not perfect cube.

Answer 2

Answer:

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Step-by-step explanation:

Factorizing each number

(i) 400=2

4

×5

2

- Not a perfect cube