47 rounded to the nearest 10 is 50.
50
50
50
60
50
50
It is then 230 when rounded to the nearest 10
50
Rounded to the nearest 10: 50 004 Rounded to the nearest 100: 50 049 Rounded to the nearest 1000: 50 499 Rounded to the nearest 10,000: 54 999
50
50