Respuesta :
Answer:
65.94
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
- Left to Right
Step-by-step explanation:
Step 1: Define
Identify
3.14(a² + ab)
a = 3
b = 4
Step 2: Evaluate
- Substitute in variables: 3.14(3² + 3 · 4)
- (Parenthesis) Exponents: 3.14(9 + 3 · 4)
- (Parenthesis) Multiply: 3.14(9 + 12)
- (Parenthesis) Add: 3.14(21)
- Multiply: 65.94
Hey there!
3.14(a^2 + ab)
= 3.14(3^2 + 3 *4)
3^2
= 3 * 3
= 9
3 * 4
= 12
3.14(9 + 12)
9 + 12
= 21
3.14(21)
= 65.94
Answer: 65.94
Good luck on your assignment and enjoy your day!
~Amphitrite1040:)