What will be the units digit of the square of the following numbers?39

Question

Philoid · Accepted Answer

Given a number 39 and need to find out the unit digit of the square of number.

Now, the square of number, n = n²

Since, we have “9” as the unit place in the number “39”.

⇒ 9² = 81

⇒ 1 will be the unit digit of square of 39.

Hence, the units’ digit of the square of 39 is 1.

What will be the units digit of the square of the following numbers?
39