52−16+2= 5^2 - \sqrt{16} + 2 = 52−16+2=
Start by calculating the power: 52=25 5^2 = 25 52=25.
Then, calculate the square root: 16=4 \sqrt{16} = 4 16=4.
Subtract 4 from 25: 25−4=21 25 - 4 = 21 25−4=21.
Finally, add 2: 21+2=23 21 + 2 = 23 21+2=23.
23 23 23