Final answer:
To solve 230 - 220 × 0.5, multiply 220 and 0.5 to get 110, then subtract 110 from 230 to get the final answer which is 120.
Step-by-step explanation:
To solve the expression 230 - 220 × 0.5, we need to follow the order of operations which is commonly referred to as PEMDAS (Parentheses, Exponents, Multiplication & Division, and Addition & Subtraction).
Using PEMDAS, we start by multiplying 220 and 0.5 to get 110.
Then, we subtract 110 from 230 to get the final answer which is 120.
Learn more about order of operations