It is: 400
400
400
400
798
5
390
400
3.89 rounded to the nearest whole number = 4
0
853 rounded to the nearest 100: 900. 10853 rounded to the nearest 100: 10900.
390
100
146,389 rounded to the nearest hundred thousand is 100,000.
600
100
100
0
555 rounded to the nearest 100 is 600.