Question

Unit digit in the square of 3457 is;​

Answer 1

Unit digit in the square of 3457 is "9"

Step-by-step explanation:

• When we are required to find out the digit at the unit place of a square, we see the last digit of the number

• For instance, here the last digit is 7

• Now, we take square of 7 e.g. 7^2 = 49

• Now, we see that the digit at the unit place of 7^2 is 9

• Therefore, we say that the digit at the unit place of the number "3457" will also be 9

• T oprove this, lets take square of "3457"

• 3457^2 = 11950849

Answer 2

Answer:

9 is a correct answer

Step-by-step explanation: