Hello there ☺️,
There will be two answers to this question. They are:-
Method (i)
The exact √28 will be 5.2915026221291.
Method (ii)
Factor 28 to 2² x 7. Rewrite the square root of the product √2² x 7 as the product of square roots √2²√7. Then take the square root of 2².
→ 2√7
This is also equal to 5.2915026221291.
Therefore, you can write the answer as 2√7 or 5.2915026221291.
✍️ By Benjemin ☺️
