100..because 9 s bigger than 5 so add to the other 9 nine and round off that 9
9999 rounded to the nearest tens place is 10,000
10000
10000
9999.00
10000
10000
10000
It is 9100 rounded to the nearest hundred
1009 rounded to the nearest hundred is 1000.
10000
10000
9999 after rounding to the nearest tenths is 9999.0