One over ten simply means 1 divided by 10:
0.7
0.5
109 over 10 written as a decimal is 10.9
0.0009
69/10,000 as a decimal is 0.0069
Ten and thirteen one-hundredths in decimal form is 10.13
Six hundred one ten thousands in decimal form is 6,010,000
One hundred twenty ten-thousandths in decimal form is 0.0120
.51
Ten point one
10.041
0.0041