"Round numbers" refers to whole numbers that are easy to work with because they are clean and simple, without any decimals or fractions. These numbers end in zero or a multiple of ten, such as 10, 20, 100, or 1000. Full definition
Since pricing is tied to the cost of the flight, you won't see the standard rounded number of points when booking awards, like 25,000 for a domestic round - trip flight. (rewardexpert.com)
Just in round numbers, it's about 4 % of the account. (purefinancial.com)
But avoid using round numbers for expenses like food, travel, and supplies where the cost is typically specific to the cent. (lawyerist.com)