Two hundred thirty one and five tenths
It is 31.812
31.812
31812
It is 0.212
Twelve thousand and twelve thousandths written as a decimal is 12000.012
Seven hundred forty-five and nine hundred twelve thousandths.
0.512 = five hundred twelve thousandths.
Twelve hundred-thousandths in standard form is 0.00012
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.
31 + 12 = 43, and there is no need for a decimal point.
0.812
The decimal of nine and four thousand one hundred twelve ten-thousandths is 9.4112.
Six hundred and twelve thousandths is written 600.012
0.612
That is 0.112
It is 11.0012
0.912
It is 0.212
3.112
It is 12.403