6.1 or 6 1/10 both are right
Six and one tenth in decimal form is 6.1.
Six hundred three and one tenth.
6.1 = six and one tenth.
6.1 = six and one tenth.
600.1
6.1 = six and one tenth.
Four hundred thirty-six and one tenth.
eight hundred and six and one tenth
Six hundred thirty-nine and one tenth.
6 1/10 = 61/10
Seventy-eight thousand, five hundred six and one tenth.
Most people would say six point one, though it is also equal to six and one tenths.