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constants
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1. Answer: 0.05820 * 26.001
1.5 1.51 1.513 1.5132 All of these

2. How many significant figures: 26 * 300
Answer:

3. Which of these can an element have a different number of?
Protons Neutrons Electrons All of these None of these

4. Which of these has a negligible mass?
Protons Neutrons Electrons Atoms None of these

5. How many significant figures: 1.003080
Answer:

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