Sixty-eight hundred-thousandths written in decimal form is 0.00068
Two and six hundred thousandths in decimal form would be written as 2.00006
Two hundred fifty-seven thousandths written as a decimal is 0.257
It is 500.018
Two hundred twenty-five thousandths would be written as 0.225 in decimal form.
Seven and seven hundred twelve thousandths would be written as 7.712The "and" tells you where the decimal goes, "thousandths" tells you how many places there will be in the decimal part of your answer (3 decimal places for thousandths), and seven hundred twelve tells you how many thousandths there will be.
Six hundred and twelve thousandths is written 600.012
Two hundred fifty one thousandths can be written as 0.251