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B: 5 v
B: 0.5 v
A: 100 v
A: 10 v
B: 50 v
A: 1 v

Answer:
A: 10v
B: 5v
Step-by-step explanation:
A: Smallest increment can be found by doing 100/ number of tick marks to 100/ (so 100/10)
B: Uncertainty is smallest increment /2 or 10/2
Answer:
A: 10v
B: 5v
Step-by-step explanation: Hoped this helped :3