30 + 7 + 0.5 + 0.02
3.45, 34.5, 30.45
35, 58.5/6/7/8/9, 25, 0.0/1/2/3/4
6.5 / 6.6 / 6.7 / 6.8 / 6.9 / 7.0 / 7.1 / 7.2 / 7.3 / 7.4
6.8, 7.6, 7.8, 8.6, 8.7
-6.04
C, D, E
5, 20
1539
a, d
0.87
4.5, 4.7, 4.9, 5.1, 5.3
1 000
No. The answer is 40100 when he rounds to the nearest hundred, not 40000.
True:d, e - False: a, b, c
2.35
5 + 0.8