Respuesta :

Answer:

  • The required value of the given expression is 21.

Step-by-step explanation:

Step: We have to break down the expression in simplest form.

  • 18 + 3² - 4*2
  • 18 + 9 - 8

Step: We have to solve it using bodmas rule.

  • 18 + 9 - 8
  • 27 - 8
  • 21

Here, BODMAS stands for following terms.

  • B - Bracket
  • O - Of
  • D - Division
  • M - Multiplication
  • A - Addition
  • S - Subtraction

  • Therefore, the required value of the given expression is 21.