Answer:
1. 2
2. 1
3. 1
4. 3
5. 3
6. 2
7. 3
8. 1
9. 2
10. 1
11. 3
12. 1
Step-by-step explanation:
There are 3 main significant figure rules, I suggest looking them up online to confirm these answers
9.5m questions
12.2m answers