In How Many Different Ways Can a Ski Club Consisting

question 149

Multiple Choice

In how many different ways can a ski club consisting of 20 people select a person for its officers? The positionsavailable are president, vice president, treasurer, and secretary. No person can hold more than one positionsand the each office is filled in order.

• A) 116,280
• B) 4845
• C) 1440
• D) 74

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Definitions:

Gills

The respiratory organs of aquatic animals that extract dissolved oxygen from water and release carbon dioxide.

Respiratory Gases

Gases involved in the process of respiration, primarily oxygen (O2) for inhalation and carbon dioxide (CO2) for exhalation.

Spiracles

Small openings on the surface of some animals, such as insects, that allow air to enter and exit the respiratory system.

Tracheal Tubes

Tracheal tubes are part of the respiratory system of certain invertebrates, including insects, providing direct exchange of air through the body.