Answer
one hundred sixty seven and nine thousandths
Work Step by Step
167.009
The whole number portion is 167. 1 is in the hundreds position, 6 is in the tens position and 7 is in the ones position.
The smallest decimal position is the thousandths position. The decimal part of the number is written as its whole number equivalent followed by "thousandths".
If 009 were a whole number 9 is in the ones position.