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

The diameter of a metal rod is measured as 23.40 cm to four significant figures. What is the maximum error in the measurement?
  • 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