What is the irrational square root 28−−√ simplified?(1 point)
Responses
4–√ ⋅ 7–√
start root 4 end root times start root 7 end root
214−−√
2 start root 14 end root
47–√
4 start root 7 end root
27–√
1 answer
3 start root 7 end root