The question may have been miscopied.
"one hundred and one thousandth" = 100 and 1/1000 = 100.001
"one hundred one thousandths = 101/1000 = 0.101
0.00607
.480
.01 and .001
you can write one thousandth as a decimal as 0.010.001
It is: 206/1000 = 0.206 as a decimal
0.315
0.00607
300.055
.480
0.700 or 0.7
1.898
It is 0.0603
0.528
0.0201
701.001
.01 and .001
If read as one-hundred-and-one thousandths as: 0.101 If read as one-hundred, and one-thousandth as: 100.001