Solve the Problem $M _ { L }$ (On the Richter Scale) of an Earthquake of Intensity

question 155

Multiple Choice

Solve the problem.
-The local magnitude $M _ { L }$ (on the Richter scale) of an earthquake of intensity $I$ is given by $M _ { L } = \log \left( \frac { I } { I _ { 0 } } \right)$ where $I _ { 0 }$ is a minimum reference intensity of a "zero-level" earthquake against which the intensities of other earthquakes may be compared. How many times more intense is an earthquake of magnitude $5.8$ than an earthquake of magnitude $2.9$ ? Round to the nearest whole number.

• A) Approximately 2 times more intense.
• B) Approximately 794 times more intense.
• C) Approximately 481 times more intense.
• D) Approximately 18 times more intense.

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Definitions:

Estimated Future Returns

Projections or forecasts about the potential gains or incomes from investments over a future period.

Sales Discounts

A reduction in the price of goods or services offered to customers, usually to prompt early payment or reward bulk purchases.

Gross Price Method

Gross Price Method involves recording inventory at its gross price, before deducting any trade discounts or rebates.

Allowance for Doubtful Accounts

An accounting concept referring to an estimate of the amount of receivables that may not be collected, which is used to reduce the total accounts receivable reported on the balance sheet.