[tex]86.7 + 4.22 \times (9.6 - 0.03)^{2} [/tex]
Lets follow PEMDAS. First, parenthesis, lets subtract 0.03 from 9.6.
[tex]86.7 + 4.22 \times 9.57^{2} [/tex]
Next, lets deal with the exponent.
[tex]86.7 + 4.22 \times 91.5849 [/tex]
Multiplication next, so 4.22 * 91.5849.
[tex]86.7 + 386.488278 [/tex]
Last, we add.
[tex]473.188278[/tex]