Use the Formula R $\mathrm { R } = \log \left( \frac { \mathrm { I } } { \mathrm { I } _ { 0 } } \right)$

question 37

Multiple Choice

Use the formula R $\mathrm { R } = \log \left( \frac { \mathrm { I } } { \mathrm { I } _ { 0 } } \right)$ , where the magnitude of an earthquake on the Richter scale is based on I, the measurement of a seismic wave, and I0, the measurement of a seismic wave of a level zero earthquake with the
Same epicenter. An earthquake was recorded which was 2,511,886 times more powerful than a reference level
Zero earthquake. What is the magnitude of this earthquake? (Round to the nearest tenth.)

• A) 0.6
• B) 5.4
• C) 6.4
• D) 14.7

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Definitions:

Average Tax Rate

The proportion of the total taxable income paid in taxes, calculated by dividing the total tax amount by the total income.

Regressive Tax

A tax system where the tax rate decreases as the amount subject to taxation increases, often placing a heavier burden on lower-income individuals.

Higher Incomes

Levels of earnings that exceed the average or median income for a particular region or demographic.

Lower Incomes

Lower Incomes refer to the earnings that fall below the average or median income levels within a specific area or population.