Answer
62 kg.
Work Step by Step
Use the density of air (Table 10–1) and calculate the volume. Round to two significant figures.
$$M=\rho V = (1.29 kg/m^3)(5.6m)(3.6m)(2.4m) \approx 62 kg$$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.