The blanks are filled as follows
0.84, 0.841, 0.842, 0.843
How to fill the values
To fill in the blanks between 0.84 and 0.843 with two numbers, you need to find values that fit between these two given numbers.
Here are a couple of options:
Decimal Expansion
0.841, 0.842, 0.843
This is a straightforward sequence where each number differs by 0.001.