The standard definition of a quart is equal to 947 mL.
Calculate the percent error of a student's measurement if she found the experimental value of the volume of one quart of water to be equal to 934 mL.

The formula to calculate percent error is:

\[
\text{Percent Error} = \left( \frac{|\text{Experimental Value} - \text{Accepted Value}|}{\text{Accepted Value}} \right) \times 100
\]

Here, the accepted value is 947 mL, and the experimental value is 934 mL.

Now, plug in the values:

\[
\text{Percent Error} = \left( \frac{|934 - 947|}{947} \right) \times 100
\]
\[
\text{Percent Error} = \left( \frac{13}{947} \right) \times 100
\]
\[
\text{Percent Error} \approx 1.37\%
\]

So, the student's percent error is approximately **1.37%**.

Would you like more details on this, or do you have any questions?

Here are 5 related questions for further exploration:
1. How would the percent error change if the experimental value were 950 mL?
2. What is the formula for calculating absolute error?
3. Why is percent error used in scientific measurements?
4. How can you minimize percent error in measurements?
5. What is the difference between percent error and percent difference?

**Tip:** Always double-check units when comparing values to avoid calculation errors.

The standard definition of a quart is equal to 947 mL. Calculate the percent error of a student's measurement if she found the experimental value of the volume of one quart of water to be equal to 934 mL.

Learn how to calculate the percent error when comparing a student's experimental value of 934 mL to the accepted value of 947 mL for a quart of water. This problem covers key scientific measurement concepts, including percent error and error analysis, suitable for students in Grades 8-10.

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