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Given the value of possible error, the relative error of the measurement is 0.0095.

Given the data in the question;

  • Measurement taken; [tex]m = 4.2cm[/tex]
  • Absolute or possible erorr; [tex]e = 0.04m[/tex]
  • Relative error; [tex]RE = \ ?[/tex]

Relative Error

Relative error is simply the ratio of the absolute or possible error of a measurement to the measurement its self.

Relative error is expressed as;

[tex]RE = \frac{e}{m}[/tex]

Where e is the absolute or possible error and m is the measurement being taken.

To determine the relative error, we substitute our given values into the expression above.

[tex]RE = \frac{0.04cm}{4.2cm} \\\\RE = 0.0095[/tex]%

Therefore, given the possible error, the relative error of the measurement is 0.0095.

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