find the units digit in the product of 7⁷¹x6⁵⁹x3⁶⁵
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THE UNIT DIGIT OF7⁷¹=9
THE UNIT DIGIT OF6⁵⁹=6
THE UNIT DIGIT OF3⁶⁵=3
i.e. THE UNIT DIGIT OF 7⁷¹x6⁵⁹x3⁶⁵=2
THE UNIT DIGIT OF6⁵⁹=6
THE UNIT DIGIT OF3⁶⁵=3
i.e. THE UNIT DIGIT OF 7⁷¹x6⁵⁹x3⁶⁵=2
vinoj:
thanks
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