Question

Give a number you can cube to give an answer bigger than 600 but smaller than 800.

Please give the correct answer and it needs to be easy to understand.
thx :D

Answer 1

Any number between 8.434 and 9.283 will do the job.

The only whole number that can do it is 9 .

8 cubed = 512 too small
9 cubed = 729 just right
10 cubed = 1,000 too big