Question

व्हाट विल बी द यूनिट ऑफ द स्क्वायर 35842
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Answer 1

Answer:

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Step-by-step explanation:

The unit digit in square of 799 will be 1.

Square of 799 is 638401. Use the unit place digit of 799.

So on squaring 9, we get 81. Use the unit place digit of 81 i.e 1.