The answer is 50 because if u add 20 and 50 it makes 70:)
Answer:
57
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
Step-by-step explanation:
<u>Step 1: Define</u>
n² - m
m = 7
n = 8
<u>Step 2: Evaluate</u>
- Substitute: 8² - 7
- Exponents: 64 - 7
- Subtract: 57
Answer:
Multiplication
Step-by-step explanation:
PEMDAS
Parentheses
Exponents
Multiplication
Division
Addition
Subtraction
-Since there are parentheses you do that first, so multiplication.