Question

EXERCISE 7.1

1. Which of the following numbers are not perfect cubes?
(1) 216
(ü) 128
(i) 1000
(v) 46656
(iv) 100

Answer 1

You see this is a tricky question but its not that hard if you put your mind to it, but 128 and 100 aren't perfect cubes.

Answer 2

216

Explanation:

factors 216 and take common from them you can find