Question

Evaluate the expression.
12 : 3.5 - 42

Answer 1

12/3*5-4^2
12/3*5-16
4*5-16
20-16
4

Answer 2

Explanation:

Use PEDMAS

12 ÷ 3*5 - 4² = 4 * 5 - 16 {First division should be performed}

= 20 - 16 {Now multiplication}

= 4 {Finally subtraction}