Question

Which of the following will have 1 at its units place?


1. 19 sq
2. 17 sq
3.18 sq
4. 16 sq​

Answer 1

Answer:

1.19sq is the ryt answer

Step-by-step explanation:

the unit place can be predicted by multiplying once digit

so,

9×9=81

the once digit is 1

so 19sq is the ryt answer

Answer 2

Answer:

1. 19 sq and the result will be 361.