Question

Give reason whether the squares of numbers 2826, 8204 are even or odd

Answer 1

The square are even because the square of the units digit is even.

Answer 2

the square of these number are even
As the unit digits are even

in 2826 , 6 is the unit digit
so 6 ^2 = 36
then 6 will be the unit digit of the square of 2826





similarly we can also prove that square of 8204 will also be even