It is 2.85 that rounds to 2.9 to one decimal place
Rounds up to 30.
450
349
The least number that rounds to 23,000 when rounding to the nearest THOUSAND would be 22,500. If rounding to the nearest hundred, the least number would be 22, 950. If rounding to the nearest 10, the least number would be 22,995.
2500 is the least whole number that rounds to 3000 because the last significant digit is 5.
75
5555
6500000
8
95
1000
7550 is the smallest number than rounds to 7600 when rounded to the nearest hundred.