Question

Which of the following will have 1 (one) in the unit place?
(i) 19 square (ü) 34 square
(iii) 18 square
(iv) 20 square​

Answer 1

Answer:

please mark me as brainlist

Explanation:

i think 20 square

Answer 2

Answer:

19²

Explanation:

As 9² is 81, any number that ends in a 9 has a square with unit digit as 1.