How Many Sig Figs?!?!
Addition
Subtraction
Multiplication
Division
100
12
2
100
0.95 + 0.0153
0.97
100
34-28
6
100
1 x 1.1
1
100
1.5 / 0.5
3.0
200
2500
2
200
3.05 + 6.1
9.2
200
30.1 - 4.3
25.8
200
1.2 x 25.5
30.6
200
11 / 1.1
10.0
300
54001
5
300
40 + 0.085
40
300
40 - 0.085
40
300
1.34 x 1.2 x 2.0
3.2
300
1.34 / 1.01
1.33
400
390.0
4
400
23 + 1.65 + 0.015
25
400
566 - 233 - 110
220
400
52 x 4.002 x 111
23000
400
21.1 / 1.11
19.91
500
0.004520
4
500
1200 + 34.5 + 12.877
1200
500
1200 - 34.5 - 16.877
1100
500
35.01 x 0.0324 x 14 x 10
200
500
151.3 / 11.
13.8