Question

which digit is at the unit place of 109 square​

Answer 1

Answer:

1

Step-by-step explanation:

coz the square of 109 is 11881

I hope this helps you dear friend

Answer 2

1

you just need to see the ones digit

in this case it is 9 so,

9×9= 81

and it's ones digit is 1 so this is your answer