600,000 is already rounded to the nearest hundred thousands place.
600
Yes. 555 rounded to the nearest 100 is 600.
600
600
600,000 is already rounded to the nearest hundred thousands place.
600
600
600
600
660
600
600
600
1 000 000 000 600 000 000
600
Yes. 555 rounded to the nearest 100 is 600.