First, write out the whole number until the decimal point. Next write 'and' for the decimal point. Finally, write out the value of decimal part of the number:
0.X is tenths
0.XX is hundredths
0.XXX is thousandths
0.XXXX is ten thousandths...and so on.
For example 13.4563 would be thirteen and four thousand five hundred sixty-three ten thousandths.
6,574,231.21
It is in decimal form already.
Three thousandths.
10 = ten
Three thousandths.
Four and twelve hundredths.
54.039 in word form is fifty-four and thirty-nine thousandths. The 0 is in tenths place. The 3 is in hundredths place. The 9 is in thousandths place.
Ten and one hundredth.
Seven and twenty-five hundredths.
0.34 = thirty-four hundredths.
0.52 = fifty-two hundredths.
thirty-six ten-thousandths.