It is: 9000 and not 8990
8999.0
9000
8999 rounded to the nearest ten is 9000.
Since the digit in hundred's place and the digit in ten's place are 9, 8999 rounded to the nearest hundred is 9000.
9000
It rounds to 9,000 for all three places.
9000
9,000
9000
9,000
9,000
9000