what will be the unit digit of the square of the following number 81
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9 is the unit digit of the square of 81
81=3 x 3 x 3 x 3
=3 x 3
=9
hope it will be helpful.............
please mark as brainliest....
81=3 x 3 x 3 x 3
=3 x 3
=9
hope it will be helpful.............
please mark as brainliest....
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