Question

3.1 × 22 + 6 ÷ 2 - (3.9 + 3.3)

Answer 1

You have to use PEMDAS which is Parentheses, Exponents, Multiplication, Division, Addition, Subtraction. The answer would be 29.9.

Answer 2

`\sf3.1*22+6/2-(3.9+3.3)`

PEMDAS, parenthesis first:


`\sf3.1*22+6/2-7.2`

Now multiply:


`\sf68.2+6/2-7.2`

Divide:


`\sf68.2+3-7.2`

Add:


`\sf71.2-7.2`

Subtract:


`\sf64`