Question

Examine if 398 is a perfect cube. If not, then the smallest number that must be subtract from 398 to obtain a perfect cube.

Answer 1

398 is not a perfect cube. nearest cube is 343 which is 7 cube. so 398-343 = 55 must be subtracted from 398 to make it a perfect cube

Answer 2

398 nearest cube 343 so, 398-343 =55 . so, 55 should be subtracted