Find the Indicated Cardinal Number $n ( E )$ , Given That

question 312

Multiple Choice

Find the indicated cardinal number.
-Find $n ( E )$ , given that $n ( C \times E ) = 18$ and $C = \{ 4,5,6 \}$ .

• A) 54
• B) 9
• C) 6
• D) 3

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Definitions:

Interventricular Septum

The wall of tissue that separates the right and left ventricles of the heart.

Mitral Valve

A valve in the heart located between the left atrium and left ventricle that allows blood to flow in one direction from the atrium to the ventricle.

Aorta

The largest artery in the body, which carries oxygenated blood from the heart to the rest of the body.

Tricuspid Valve

A valve in the heart that lies between the right atrium and the right ventricle, preventing backflow of blood from the ventricle to the atrium.