If the unit digit of a number is 8, the unit digit of the cube of the number will be
4
2
8
6
If the number has 8 in the unit digit, then the cube will be 8×8×8 = 512
Hence, the cube will have 2 in the units place.
What is the units digit of the cube of a number whose unit digit is 7?
What will be the unit digit of the cube of number 15625?