It's a bit unclear what you wish done with these numbers.
Possibly you are describing three different problems. Or you wish all three final numbers multiplied together into an answer.
In any case:
1. The square root of 24 plus 3 is approximately equal to 7.8989794855663561963945681494118.
2. The square root of 90 plus 2 is approximately equal to 11.486832980505137995996680633298.
3. The square root of 150 is approximately equal to 12.247448713915890490986420373529.
The square root cannot be simplified.
5 times sqroot 2
It's the square root of a2+b2. It cannot be simplified. It is NOT a+b. The answer is c square.
The square root of 65 cannot be simplified.
The square root of 20 simplified is ±4.5
The square root of 828 simplified is 28.8
The square root of 96 simplified is: 9.8
The square root of 2,626 simplified is 51.2
The square root of 212 simplified is: 14.6
The square root of 20 is simplified as: ± 4.5
The square root of 176 simplified is 13.3
The square root of 13 simplified is 3.6