In order to write seven and two tenths, a person should simply use the period between the two numbers as the "and." To write the number in numerical form, the number would appear as 7.2.
Fifty-two and seven tenths.
2.7
42.7
Fifteen thousand, two hundred seven and three tenths.
230.7
Fifty-two and seven tenths.
2.7
2.7
750.2
Two and seven tenths.
Seven and two tenths.
42.7
two hundred thirteen and seven tenths
thirty-two and seven tenths
Seven tenths is written as 0.7 (the 7 is in the tenths place).
Fifteen thousand, two hundred seven and three tenths.
twenty-two and seven tenths