B. Tell whether the obtained measurement is precise, accurate or precise and accurate
1. The mass of an object is 12.5 g. Mandy measured it three times and here are his data obtained; 12.0 g, 11.6 g , and 11.8 g. His measurement is ___________________.
2. On the other hand Marissa measured the same object and she got these data; 12.0g, 12.4g and 12. 8g. Her measurement is ______________________.
3- 4. The teacher gave students A and B each with 25.8 mL of water in a beaker. She instructed them to measure the volume using a graduated cylinder in three trials.
Student A’s measurements are 25.7 mL, 25. 6 mL and 25.9mL while Student B’s measurements are 25.0mL, 25.5mL and 30.0mL. The measurement of Student A is ___________________________ while that of Student B is _____________________.
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answer:
1.3
2.9
3.5
4.1
Explanation:
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