Question

ans is 6
this is beacause
6^1=6
6^2=36
6^3=216
.
.
.
6^100=........6
units digit is always 6 for any power of it other than 0
therefore ans is 6

answer for 6 power 100

Answer 1

yes thats true
for number 6 always the unts digit is 6
for any power

Answer 2

you are right. irrespective of the power of 6, the unit digit will always be 6