Mathematics · Measurements and Error Analysis
The thickness of a thread is measured using a microscope with a magnification of 100. After making several observations, the student finds the average observed width of the thread under the microscope to be 5.7 mm. What is the actual estimated thickness of the thread?
- 10.09 mm
- 20.57 mm
- 3171 mm
- 40.057 mm✓
Correct answer
0.057 mm
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