~8.49 is the answer hope this helps
Answer:
8.48528137424
Explanation:
3 √ 8
= 3 √ 4 ⋅ 2
= 3 ⋅ √ 4 ⋅ √ 2
= 3 ⋅ 2 √ 2
= 6 √ 2
≈ 8.49
