Question

Unit digit in the square of 3457 is

Answer 1

Answer:

here we see the last digit which in the given no. is 7

and 7^2=49

therefore the unit digit here will be 9!!

Answer 2

Given :

The unit digit in the square of 3457.

Solution :

To find out the unit digit in the square of 3457, we need to see the unit digit of the given number. That is 7.

Place values of the 3457:

In 3457 =>

7 is in the units place

5 is in the tens place

4 is in the hundreds place

3 is in the thousands place.

The one's digit of the square number depends on the one's digit of the given number.

So, find out the square of 7:

The square of a number is the product of a number to itself.

=> Square of 7 = 7 x 7 = 49.

=> Unit digit is 9.

Hence, the unit digit in the square of 3457 will be 9.