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The diameter of a metal rod is measured as 23.40 cm to four significant figures. What ...

The diameter of a metal rod is measured as 23.40 cm to four significant figures. What is the maximum error in the measurement?
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  • A 0.05cm
  • B 0.5cm
  • C 0.045cm
  • D 0.005cm
  • E 0.004cm
Correct Answer: Option D
Explanation:
Maximum error in measurement to 2 decimal places
Maximum error = \(\frac{1}{2}\) x 0.001
= 0.005

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