What will be the unit digit of the squares of the following numbers?

(i)8112=1So, unit digit will be1(ii)27222=4So, unit digit will be4(iii)79992=81So, unit digit will be1(iv)385332=9So, unit digit will be9(v)123442=16So, unit digit will be6(vi)2638772=49So, unit digit will be9(vii)5269882=64So, unit digit will be4(viii)9988002=0So, unit digit will be0(ix)1279662=36So, unit digit will be6(x)5555552=25So, unit digit will be5