4.10 = four and one tenth (or four and ten hundredths.
40
Four hundred and one tenth.
It is: 1/10 of 400 = 40
42
Four hundred thirty-six and one tenth.
1/10 of 400 is 40
One tenth of one hundred is ten.
3,002,400.1
nineteen is not equal to the sum of one and one tenth of one hundred
40,401.2
One crore four hundred seventy nine lakh nine hundred and ninety and eighty tenth