order of operations aka PEMDAS
Parenthesis, exponents, multiplication/division, addition/subtraction
[tex]8^2 \div (2\times 4)[/tex]
start by doing the operation within the parenthesis
[tex]8^2 \div (8)[/tex]
if there are no more operations within the parenthesis or you can no longer complete the operations within it, then you can remove the parenthesis
[tex]8^2 \div 8[/tex]
Now you do the exponents
[tex]64 \div 8[/tex]
Next step would be multiplication or division,
[tex]8[/tex]
