write the unit digit in the cube of each 189
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heya in cube of 189 unit digit is 9
cube of 1 ->1
cube of 8->2
cube of 9->9
cube of 1 ->1
cube of 8->2
cube of 9->9
Answered by
6
it's nine...
189*189*189=........1
since 9*9*9=81*9=729
it's last digit will be the last digit of 198 cube...
HOPE IT HELPS
189*189*189=........1
since 9*9*9=81*9=729
it's last digit will be the last digit of 198 cube...
HOPE IT HELPS
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