Question

Simplify the expression 82 + 9 (12: 3 x 2) – 7. Explain each of your steps.

Answer 1

Answer:

129

Step-by-step explanation:

8^2 + 9 (12/3 x 2) -7  Parentheses first 12 : 3 is the same as 12/3

    8^2 + 9 (4x2)-7 Parentheses:

      8^2 + 9 (8) - 7 Exponent 8 x 8:

        64 + 9(8) - 7     Multiply:

         64 + 72- 7     Add :

             136 - 7    Subtract:

                 129

The answer is 129.

Hope this helps :)