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The volume of a rectangular prism is 
48cm^(3). David measures the sides to be 
6.1cm by 
3.89cm by 
2.21cm. In calculating the volume, what is the relative error, to the nearest hundredth.
Answer:

The volume of a rectangular prism is 48 cm3 48 \mathrm{~cm}^{3} . David measures the sides to be 6.1 cm 6.1 \mathrm{~cm} by 3.89 cm 3.89 \mathrm{~cm} by 2.21 cm 2.21 \mathrm{~cm} . In calculating the volume, what is the relative error, to the nearest hundredth.\newlineAnswer:

Full solution

Q. The volume of a rectangular prism is 48 cm3 48 \mathrm{~cm}^{3} . David measures the sides to be 6.1 cm 6.1 \mathrm{~cm} by 3.89 cm 3.89 \mathrm{~cm} by 2.21 cm 2.21 \mathrm{~cm} . In calculating the volume, what is the relative error, to the nearest hundredth.\newlineAnswer:
  1. Calculate Volume: Calculate the volume of the rectangular prism using the given measurements.\newlineVolume = Length×Width×Height\text{Length} \times \text{Width} \times \text{Height}\newlineVolume = 6.1cm×3.89cm×2.21cm6.1\,\text{cm} \times 3.89\,\text{cm} \times 2.21\,\text{cm}\newlineVolume = 52.5609cm352.5609\,\text{cm}^3
  2. Find Absolute Error: Compare the calculated volume with the given volume to find the absolute error.\newlineAbsolute error = Calculated VolumeGiven Volume|\text{Calculated Volume} - \text{Given Volume}|\newlineAbsolute error = 52.5609 cm348 cm3|52.5609 \text{ cm}^3 - 48 \text{ cm}^3|\newlineAbsolute error = 4.5609 cm34.5609 \text{ cm}^3
  3. Calculate Relative Error: Calculate the relative error by dividing the absolute error by the given volume and then converting it to a percentage.\newlineRelative error = (Absolute error/Given Volume)×100%(\text{Absolute error} / \text{Given Volume}) \times 100\%\newlineRelative error = (4.5609cm3/48cm3)×100%(4.5609 \, \text{cm}^3 / 48 \, \text{cm}^3) \times 100\%\newlineRelative error = 0.09501875×100%0.09501875 \times 100\%\newlineRelative error = 9.501875%9.501875\%
  4. Round Relative Error: Round the relative error to the nearest hundredth.\newlineRelative error (rounded) = 9.50%9.50\%

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