Evaluate ${ } _ { n } P _ { r }$

question 298

Multiple Choice

Evaluate ${ } _ { n } P _ { r }$ . ${ } _ { 19 } P _ { 2 }$

• A)420
• B)380
• C)342
• D)462
• E)171

---

Definitions:

Abbreviation

A downsized version of a word or phrase.

Acute Lymphocytic Leukemia

A type of cancer of the blood and bone marrow that affects white blood cells and is most common in children.

Abbreviation

The shortened form of a word or phrase, used to simplify writing and speaking.

Hemostatic Agents

Substances used to promote hemostasis, the process of stopping bleeding, by aiding blood clot formation.