#### Answer

$2+(5-2)+4^{2}=21$

#### Work Step by Step

$2+(5-2)+4^{2}$
First, perform the operation that's inside the grouping symbol:
$2+(5-2)+4^{2}=2+3+4^{2}=...$
Next, evaluate the exponential expression and finally, after that, the sums:
$...=2+3+16=21$