Loudness is measured in decibels (dB), a logarithmic unit reflecting sound intensity. The CIPS L3M6 module uses this in LO2 to assess noise pollution—e.g., 85 dB is a workplace safety limit. Other options are incorrect (decimals are numbers, dibbles/doubles are fictitious), making “decibels” the standard term.
[Reference: CIPS L3M6 Study Guide, LO2 – Noise Measurement, Section on Decibels., ________________________________________]
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