Question

what is the last digit of 6 power 100​

Answer 1

In this way, 6 × 6 comes in the products, which always leads to the last digit as 6. So, the last digit of 6^100 is 6. 

Answer 2

6°1=6

6^2=36

last digit is 6

so, last digit of 6^100 is 6