Simplify the Expression $$3.14 ( 5 ) ^ { 2 } \cdot 7$$

question 23

Multiple Choice

Simplify the expression. Use a calculator as needed. $$3.14 ( 5 ) ^ { 2 } \cdot 7$$

• A) 550.62
• B) 549.5
• C) 550.95
• D) 551.64
• E) 546.83

---

Definitions:

Acidity

Acidity is a measure of the concentration of hydrogen ions in a solution, determining its pH level and indicating how acidic or alkaline the solution is.

2,3-Bisphosphoglycerate (BPG)

A compound in red blood cells that regulates the oxygen-binding capacity of hemoglobin.

Oxygen Saturation

A measure of the amount of oxygen bound to hemoglobin in the blood, indicating how well oxygen is being transported to body parts.

2,3-Bisphosphoglycerate (BPG)

A compound in red blood cells that reduces the affinity of hemoglobin for oxygen, thus facilitating oxygen release to tissues.