Oh, isn't that just lovely! To write two and two hundred twenty-one thousandths in decimal form, you simply write it as 2.221. Just like painting a happy little tree, it's all about taking your time and enjoying the process.
One hundred twenty ten-thousandths in decimal form is 0.0120
0.120
0.00025
five and seven hundred twenty-three thousandths
45000.621
One hundred twenty ten-thousandths in decimal form is 0.0120
0.120
.2500
0.00025
0.00025
0.422
0.724
20.006
0.00025 = twenty-five hundred-thousandths.
0.524
0.0625
1.324