Use a Calculator to Evaluate the Expression $${ } _ { 21 } \mathrm { C } _ { 4 }$$

question 507

Multiple Choice

Use a calculator to evaluate the expression.
- $${ } _ { 21 } \mathrm { C } _ { 4 }$$

• A) 35,910
• B) 5985
• C) 23,940
• D) 143,640

---

Definitions:

Decline Stage

The decline stage is a phase in the product life cycle characterized by a decrease in sales and market share, often leading to the eventual withdrawal of the product from the market.

Product Mix

The variety of products a company produces or sells, encompassing diversity in types, sizes, and options.

Consumer Products

Goods produced for personal use by the general public.

Professional Products

Goods designed specifically for use by businesses and professionals, often characterized by higher quality and greater durability than consumer products.