Question

The sum of 7 and 2.6 is multiplied by 9. Then this product is divided by the result of 4 - 2.8. Add the parentheses to the expression, 9 x 7 + 2.6 ÷ 4 - 2.8, to show the correct order for the calculations described.

Answer 1

9 x 7 + 2.6 ÷ 4 - 2.8

The sum of 7 and 2.6 is multiplied by 9, the must be inside parentheses.

9 (7 +2.6)

this product is divided by the result of 4 - 2.8, that result must be inside parentheses.

(4-2.8)

Final expression

9 (7+2.6) ÷ (4-2.8)