Question

What will be the unit digit in the square of the following numbers 6327?​

Answer 1

Answer:

Unit digit will always be 9 becuase 7² is 49 whenever 7 multiplied even times the unit digit is 9 and when multiplied odd times unit digit is 3

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Answer 2

Answer:

we have to multiply the last digit by itself

Step-by-step explanation:

6327=7x7

=49

unit digit =49=9

9 will be the unit digit of the square no of 6337