Question

What will be the unit digit of the squares of the number 799 ?

a) 1
b) 2
c) 3
d) 4

_____

Explain each steps ​

Answer 1

Answer:

a) 1

Square of the number 799 will end with digit 1.

Answer 2

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799 - Unit digit of square of 799 will be 1

• The number 799 contains its unit’s place digit 9. So, the square of 9 is 81. Hence, the unit’s digit of square of 799 is 1.