Rounding
85 rounds to
90
20 x 20
400
23 x 7
20 x 7 = 140
32 rounds to
30
300 x 50
15,000
37 x 6
40 x 6 = 240
65 rounds to
70
600 x 30
18,000
25 x 8
30 x 8 = 240
25 rounds to
30
400 x 400
160,000
44 x 7
40 x 7 =280
99 rounds to
100
70 x 400
28,000
79 x 6
80 x 6 =480