Solve the Problem $d = 10 \log \frac { I } { I _ { 0 } }$

question 213

Multiple Choice

Solve the problem.
-The loudness of a sound can be quantified in units called decibels, where the number of decibels d is given by the formula $d = 10 \log \frac { I } { I _ { 0 } }$ .
What is the decibel rating of a sound having an intensity $I = 100 \mathrm { I } _ { 0 }$ ?

• A) 2 decibels
• B) 20 decibels
• C) 100 decibels
• D) 12 decibels

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Definitions:

Joint Cost

Costs that are incurred in producing multiple products prior to the point at which the products become separately identifiable.

Split-off Point

The stage in a process at which various products become separately identifiable and their costs can be separately assigned.

Joint Products

Two or more products that are produced from a common input.

Special Order

A one-time order that is not considered part of the company’s normal ongoing business.