It's not possible to say since it's not clear where the decimal place is meant to be. (Next time try writing "point" in the place of the decimal place, since this site does not accept punctuation in the questions).
920
920
920
920
920
920
920.00
920
To the nearest ten, it would be rounded to 920. To the nearest hundred, it would be rounded to 900.
920
900
921 rounded to the nearest ten thousand is 0. Rounded to the nearest thousand is 1000.