Question

The one digit of the square of 27 is

Answer 1

Answer:

9

Step-by-step explanation:

the one's digit of square of a number is equal to the one's digit of square of that number's one's digit.

for example one's digit of 27 is:

7² = 49

so, 9 is the one's digit of square of 27.

Answer 2

Step-by-step explanation:

easy

27=(7)²×(7)²

=49

ones digit is 9