Question

state the units digit in the cube of minus 28

Answer 1

2 is the units digit.

How do we find it, u ask ?
The last digit of the given number is 8
Cube of 8=512
U can very well see that the unit digit here is 2

Hence, 2 is the required answer

Hope it helps ya

Answer 2

the unit place is 8
therefore
${8}^{3} = 64 \times 8 = 512$
the unit place is 2
therefore (-28) cube's unit place is 2