In Making an Internet Buy, What Is the Formula for Calculating

question 14

Multiple Choice

In making an internet buy, what is the formula for calculating CPM?

• A) Ad cost multiplied by audience size, divided by 1,000
• B) Audience size divided by ad cost, multiplied by 1,000
• C) Ad cost divided by audience size, multiplied by 1,000
• D) Ad cost multiplied by audience size, multiplied by 1,000

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Definitions:

Tubular Secretion

Movement of certain molecules from blood into the distal convoluted tubule of a nephron so that they are added to urine.

Distal Convoluted Tubule

Final portion of a nephron that joins with a collecting duct; associated with tubular secretion.

Active Transport

The movement of molecules across a cell membrane from an area of lower concentration to one of higher concentration, requiring energy.

Excretory System

A biological system that removes excess, unnecessary materials from an organism, allowing it to maintain homeostasis and prevent damage to its body.