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13.4 Exercise 1

Avg difficulty 2.5

Select the most representative decibel value for each of the following sounds:

  1. car wash: 25 dB, 55 dB, 85 dB
  2. vacuum cleaner: 15 dB, 70 dB, 90 dB
  3. ship’s engine room: 30 dB, 65 dB, 95 dB
  4. approaching subway car: 70 dB, 100 dB, 120 dB

OpenStax Contemporary Mathematics, 13.4 Math and Music, exercise 1

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Adapted from Contemporary Mathematics © 2023 Rice University. Licensed under CC BY 4.0. Source: Contemporary Mathematics. Imported at revision fa7c1a1.