Evaluate the Expression $${ } _ { 8 } P _ { 4 }$$

question 49

Multiple Choice

Evaluate the expression $${ } _ { 8 } P _ { 4 }$$

• A)1680
• B)4
• C)2
• D)70

---

Definitions:

Multiple Sclerosis

A chronic autoimmune condition affecting the central nervous system, where the immune system attacks the protective covering of nerves, leading to impaired bodily functions.

Respiration

The biological process involving the inhalation of oxygen and the exhalation of carbon dioxide, essential for life.

Relay Station

An intermediate signal transfer point in a communication system, used to transmit information from one place to another.

Visual Reflexes

Reflex actions initiated by visual stimuli, involving rapid and involuntary responses to visual inputs.