7 is in the tenth column of 81.7.
The digit in the tenth column of 34.5 is 5 (5 tenths)
tenth column group 8
The digit in the tenths column is the digit 8.
31.7
6
2
8
Well, isn't that just a happy little question! In the number 27.8, the digit in the tenth column is 0. You see, the tenths place is the first digit after the decimal point, so it's like a little friend waiting right there to bring balance and harmony to the number.
6
354.1
7