Answer:
Eight and one thousandth
Step-by-step explanation:
Writing 8.001 in words is eight and one thousandth.
OR
Eight point zero zero one.
Note that the place value of the numbers are as follow:
8= units; 0 = tenth; 0 = hundredth and 1 = thousandth.
Immediately after the decimal point are tenth, hundredth and thousandth.