Answer:
Percent error = -4.7%
Explanation:
Given data:
Actual density value = 19.3 g/cm³
Measured value of density by student = 18.4 g/cm³
Percent error = ?
Solution:
Formula:
Percent error = ( measured value - actual value / actual value ) × 100
Now we will put the values.
Percent error = ( 18.4 g/cm³ - 19.3 g/cm³ / 19.3 g/cm³) × 100
Percent error = (-0.9 g/cm³ / 19.3 g/cm³) × 100
Percent error = -0.047 × 100
Percent error = -4.7%
Negative sign shows that measured value is less than actual value.
