Question

2. Each of the following is obviously not a perfect cube. Just by looking at the number give reason why it is
not a perfect cube?
(i) 72900
(ii) 800000
(iii) 3430​

Answer 1

Step-by-step explanation:

1. 729 is the cube of 9. But 72900 has just 2 zeroes. Therefore it is not a cube
2. 8000 is the cube of 20 but it has 5 zeroes so it is not a cube
3. 343 is 7³. but it has 1 extra 0. Hence, it is not a perfect cube.

HOPE THIS HELPED

Answer 2

Answer:

Not a perfect cube. There should be 3n zeros