Question

Write the unit digit of square of 809?​

Answer 1

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• square 9 = 81 but here are 2 digit we have to products unit digit that is 1 so the unit digit of square 809 is 1.

Answer 2

Answer:

square 9 = 81 but here are 2 digit we have to products unit digit that is 1 so the unit digit of square 809 is 1

Step-by-step explanation:

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