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If a measurement is recorded as 12.30 cm, what is the absolute error if the true

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Question: If a measurement is recorded as 12.30 cm, what is the absolute error if the true value is 12.5 cm?

Options:

  1. 0.2 cm
  2. 0.3 cm
  3. 0.1 cm
  4. 0.4 cm

Correct Answer: 0.3 cm

Solution: 

Absolute error = |Measured value - True value| = |12.30 - 12.5| = 0.2 cm.

If a measurement is recorded as 12.30 cm, what is the absolute error if the true

Practice Questions

Q1
If a measurement is recorded as 12.30 cm, what is the absolute error if the true value is 12.5 cm?
  1. 0.2 cm
  2. 0.3 cm
  3. 0.1 cm
  4. 0.4 cm

Questions & Step-by-Step Solutions

If a measurement is recorded as 12.30 cm, what is the absolute error if the true value is 12.5 cm?
  • Step 1: Identify the measured value, which is 12.30 cm.
  • Step 2: Identify the true value, which is 12.5 cm.
  • Step 3: Subtract the measured value from the true value: 12.30 - 12.5.
  • Step 4: Calculate the absolute value of the result from Step 3: |12.30 - 12.5|.
  • Step 5: The result is 0.2 cm, which is the absolute error.
  • Absolute Error – The difference between the measured value and the true value, expressed as a non-negative value.
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