1/10, -1/10
2/3
0.8 / 0.4 = 2
The zero is in the tenths place.
You could write "zero point two". You could write "two-tenths".
Seven tenths
The place value of the 0 in 9.027 is zero tenths.
three hundred thousandths zero point three zero zero three tenths zero and three tenths
0.18
add on a zero
zero point zero 4ths
In your example there is no tenths place. You would have to express it as 2,346.0 with zero being in the tenths place.
In words, 0.4 is zero point four, or simply 4 tenths (as the 4 is in the tenths column).