Respuesta :

0some of your questions are not exactly right but I had help you round off to 3 sig.fig.

my answer are
1) 0.129
2) 0.117
3)0.2625
4)0.15
5) 0.153
6) 0.211
7) 0.231
8) 0.19
9)0.225
10) 0.418
11) 0.469
12) 0.756