Question

write the unit digit of square of 799​

Answer 1

A number having 1 or 9 in the unit digit then the unit digit of the square of that number is 1.

Since, 799 having 9 in the unit digit .

So,the unit digit of the square of 799 is 1.

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Answer 2

$\huge\underline\mathfrak\purple{Solution}$

Since 9 is in the unit digit in 799

So the unit digit for the square of 799 is 1

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