A
Round off 23.97 to the nearest whole number
24
Round off 2345 to 1 significant figures
2000
Round off 3.457 to 1 decimal place
3.5
Round off 267.34 to 1 decimal place
267.3
Round off 0.0546 to 1 significant figures
0.05
25.7 + 3.8
29.5
123.6 + 9.7
133.3
28.97 + 2.2
31.17
567.2 + 3.56
570.76
256.9 + 32.45
289.35
36.25 - 6.5
29.75
125.6 - 27.9
97.7
3.6 - 1.25
2.35
28.36 - 4.65
23.71
8.2 - 3.75
4.45
9 x 3.65
32.85
0.06 x 2.3
0.138
19.4 x 3
58.2
64 x 2.3
147.2
1.5 x 2.6
3.9
32.5 : 0.5
65
8.7 : 0.02
435
32 : 0.2
160
23.4 : 0.3
78
34 : 0.04
850