Adwords, keyword planner, values ​​not integer?

Question

Google Ads

Why are keyword impression values ​​not integers in google keyword planner?
Those. this is the approximate number of queries (similar to wordstat), but the values ​​​​are there with a comma. How to understand it?

Answer 1

understand that
Google could have estimated data at the lower border, but it still participates in the cost of a click