498 rounds to 500
Umm you divide...
It means that you round each number to one, one half, or zero
2025.25
When estimating with compatible numbers, you look for numbers that are close to the original values but easier to work with. For 231, you could round it to 200 to simplify calculations. So, when using compatible numbers, 231 would be estimated to 200.
To use compatible numbers to estimate the solution for 2622, you can round the number to a nearby, easier-to-work-with figure. For instance, you could round 2622 to 2600 or 2700, depending on what operation you are performing. This makes mental calculations simpler and provides a quick approximation. By using compatible numbers, you can quickly gauge the reasonableness of your answers in various mathematical contexts.
It is 14400.
Estimate 43/81 by using compatible numbers
568-342 using compatible numbers = 226
70.013
59
535.6 divided by 35 using compatible numbers = 15.302857142857144
70.5556