Question

which of the following are perfect cube 400 with explain​

Answer 1

Answer:

closest perfect cube to 400 is 343 that is cube of 7.

please thanks

Answer 2

Answer:

Factorizing each number

(i) 400=2

4

×5

2

- Not a perfect cube

(ii) 216=2

3

×3

3

- A perfect cube

(iii) 729=3

6

- A perfect cube

(iv) 250=5

3

×2 - Not a perfect cube

(v) 1000=10

3

- A perfect cube

(vi) 900=3

2

×2

2

×5

2

- Not a perfect cube

Therefore, 216,729,1000 are perfect cubes