Question

what will be the unit digit of the square of 272 please give the answer with whole solution​

Answer 1

Answer:

4

Step by Step Explanation :-

Unit digit of square of a following number = Unit digit of the square of the digit at one's place.

Therefore unit digit of the square of 272 = Unit digit of square of 2

Therefore, unit digit of the square of 272 = 4

Answer 2

SoluTion :-

$\sf {Since,\ 22\ = 4,}\\\\\\\sf { \therefore \ Square\ of\ 272\ will\ have\ 2\ at\ it's\ unit\ place.}\\\\\\\sf {So,\ 2722\ will\ have\ 4\ at\ unit's\ place.}$