Solve the Problem $3.89 \times 10 ^ { - 4 }$

question 145

Multiple Choice

Solve the problem.
-A certain noise produces $3.89 \times 10 ^ { - 4 }$ Watts $/ \mathrm { m } ^ { 2 }$ of power. What is the decibel level of this noise? The level of sound intensity in decibels $( \mathrm { dB } )$ is $\beta = 10 \log \left( \frac { \mathrm { I } } { \mathrm { I } } \right)$ , where $\beta$ (beta) is the number of decibels, I is the sound intensity in $\mathrm { W } / \mathrm { m } ^ { 2 }$ , and $\mathrm { I } _ { 0 } = 10 ^ { - 12 } \mathrm {~W} / \mathrm { m } ^ { 2 }$ . (Round to the nearest decibel.)

• A) 76 decibels
• B) 198 decibels
• C) 9 decibels
• D) 86 decibels

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Definitions:

Terms 2/10

A common payment term indicating that a buyer can take a 2% discount on the invoice amount if paid within 10 days.

Accounts Receivable

Money owed to a business by its clients or customers for goods or services delivered but not yet paid for, typically recorded on the balance sheet.

Perpetual Inventory System

An approach in inventory accounting that employs computerized point-of-sale systems and enterprise asset management software to instantaneously record the purchase or sale of inventory items.

Credit To Inventory

An accounting entry that increases the inventory account, reflecting the addition of goods or the correction of an underreported inventory balance.