Step - by - Step Explanation
For the place value of digits that comes before the decimal point, we start the place value from units and from left to right.
That is;
4000
4 0 0 0
Thousands hundreds tens units
As for the number that comes after the decimal, we start from ten and add th to "ten"
That is;
The place value of the "4" that comes after the decimal is "tenth"