A Noisy Workplace Has a Noise Level of 90 DB

question 38

Multiple Choice

A noisy workplace has a noise level of 90 dB.You want to reduce this to a more comfortable 75 dB.By what factor must the power of the noise source be reduced? (That is,what is the ratio of the new power to the old?)

• A)0.83
• B)0.67
• C)0.32
• D)0.032
• E)0.010

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Definitions:

Factor of Production

An input used in the production of goods or services, such as land, labor, capital, and entrepreneurship.

Scale

Refers to the size or level of operation, especially in terms of the capacity to produce or serve in business and economics.

Increasing Returns

A situation where an increase in the amount of inputs results in a more than proportional increase in the output, demonstrating enhanced efficiency or productivity.

Inputs

The resources used in the production process to create goods or services, including labor, raw materials, and capital.