The Normal Range for a White Blood Cell Count Is $3$

question 57

Multiple Choice

The normal range for a white blood cell count is 4,000 cells/?l to 18,000 cells/?l. Write these numbers in scientific notation.

• A) 4 × 10 \(3\) cells/?l to 1.8 × 10 \(5\) cells/?l
• B) 4 × 1 \(3\) 0 \(4\) cells/?l to 1.8 × 10 \(4\) cells/?l
• C) 4 × 10 \(5\) cells/?l to 1.8 × 10 \(3\) cells/?l
• D) 4 × 10 \(3\) cells/?l to 1.8 × 10 \(4\) cells/?l
• E) 4 × 10 \(4\) cells/?l to 1.8 ×
• 10 \(3\) cells/?l

---

Definitions:

Healthcare Sector

An industry associated with the provision of health services, including treatment, medications, and equipment.

Patent

A legal right granted to an inventor that prevents others from making, using, or selling the invention for a certain period, typically 20 years.

Copyright

A form of protection available to authors of literary, dramatic, musical, or artistic intellectual property.

Intellectual Property

Legal rights that result from intellectual activity in the industrial, scientific, literary, and artistic fields.