Round off each of the following approximate numbers ① 6328 (accurate to 0.01) ② 372300 (accurate to thousands) ③ 003499 (two significant digits reserved)

Round off each of the following approximate numbers ① 6328 (accurate to 0.01) ② 372300 (accurate to thousands) ③ 003499 (two significant digits reserved)


A: 1.0.63
two point three seven two zero zero zero
3.0.0034



Which of the following approximate numbers is rounded?
3.6m, 3.60M, 3.600m and 4m


3.6m, it can be changed from 3.55 3.56…… Wait a minute
3.60 can be replaced by 3.594 3.593…… Wait
3.600 can be replaced by 3.5994 3.5993…… Wait
4 can be made up of 3.9 And so on, all right