Question

Simplify the expression: 80 - (4 – 1)^3

Answer 1

Remember PEMDAS ( Parentheses, Exponents, Multiplication⇔ Division, Addition ⇔ Subtraction),  This is the order you work expressions in.

80 - (4 - 1)³   Subtract 1 from 4
  80 - (3)³     Cube 3 (3 x 3 x 3)
  80 - 27      Subtract
      53