Answer
$45$
Work Step by Step
Start with given expression: $8^{2}-16\div2^{2}\times4-3$.
Start by finding exponents: $64-16\div4\times4-3$.
Now perform multiplication and division from left to right: $64-4\times4-3=$
$64-16-3$.
Finally, perform addition and subtraction from left to right: $48-3=45$.
