PEMDAS: Parentheses, Exponents, Multiplication & Division, Addition & Subtraction. This is the order that operations are to be performed.
First, Parentheses
4³ *
- 5⁰
= 4³ * 4 - 5⁰
Next, Exponents
4³ * 4 - 5⁰
= 64 * 4 - 1
Then, Multiplication & Division
64 * 4 - 1
= 256 - 1
Last step, Addition & Subtraction
256 - 1
= 255
Answer: 255