Question

what will be the unit digit of the square of 277?​

Answer 1

Step-by-step explanation:

16.673.............

Answer 2

Answer:

Unit digit of the square of 277 is 9.

Explanation:

Square number of a number is the product of a number by itself.

For example: square of 3 is 9 as 3×3 = 9

Unit digit of a number is as follows:

• if the number ends with 1 or 9, the unit digit of the square will be 1.
• if the number ends with 2 or 8, the unit digit of the square will be 4.
• if the number ends with 3 or 7, the unit digit of the square will be 9.
• if the number ends with 4 or 6, the unit digit of the square will be 6.
• if the number ends with 5, the unit digit of the square will be 5.
• if the number ends with 0, the unit digit of the square will be 0.