Answer:
A = 28.26
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
Explanation:
Step 1: Define
Equation: A = πr²
Given: π = 3.14, r = 3
Step 2: Evaluate
- Substitute: A = 3.14(3)²
- Exponents: A = 3.14(9)
- Multiply: A = 28.26