Respuesta :

Space

Answer:

57

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Step-by-step explanation:

Step 1: Define

n² - m

m = 7

n = 8

Step 2: Evaluate

  1. Substitute:                    8² - 7
  2. Exponents:                   64 - 7
  3. Subtract:                       57