Answer:
1. PF
2. PF
3. PF
4. NPF
5. PF
6. NPF
7. NPF
8. PF
9. NPF
10. PF
Step-by-step explanation:
if there are other operations there except + -, its not a PF
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Answers & Comments
Answer:
1. PF
2. PF
3. PF
4. NPF
5. PF
6. NPF
7. NPF
8. PF
9. NPF
10. PF
Step-by-step explanation:
if there are other operations there except + -, its not a PF