Question

what wil be the unit digit of th square of the following numbers. 272,799,3853,1234,26387,5269899880,12796,55555

Answer 1

for 272

it is 2^2=4

so the unit digits is 4

for 799

it is 9^2=81

so the unit digit is 1

for 3853

it is 3^2=9

so the unit digit is 9

for 1234

it is 4^2=16

so the unit digit is 6

for 26387

it is 7^2=49

sothe unit digit is 9

for 5269899880

it is 0^2=0

so the unit digit is 0

for 12796

it is 6^2=36

so the unit digit is 6

for 55555

it is 5^2=25

so the unit digit is 5

Answer 2

the unit digit will be 5