Problem 135 of 7
Correct density-modeling error compared total masses instead of mass per volume.
Using a hint is okay. It just tells the trainer to give you a little more review.
Hidden until you reveal it.
catch unit, area/volume, conversion, and ratio mistakes.
Hidden until you reveal it.
Catch unit, area/volume, conversion, and ratio mistakes.
Enter your answer
Your answer is equivalent to the expected form.
Walkthrough
Full solution stays hidden until you ask for it.
1. Identify numerator and denominator needed for density.
2. Check whether area or volume units apply.
3. Correct the ratio or unit conversion.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Only replacing final number without identifying the density error.