Question

which of 123², 77², 82², 161², 109², would
end with digit 1?​

Answer 1

Answer:

161^2 , 109^2 would end with digit 1.

Hope this help you...

Answer 2

Answer:

161²

109²

Step-by-step explanation:

In 161², the last digit is 1.

1² is 1

So, 161² ends with 1.

In 109², the last digit is 9.

9² is 81

In, 81, the last digit is 1.

So, 109² end with 1.