Answer:
7) 9
8) 7
9) 5/6
10) 3
11) 5
12) 9
Step-by-step explanation:
7) square root of 81 = √81 = √9*9 = √9² = 9
8) √49 = √7² = 7
9) √(25/36) = √(5²/6²) = 5/6
10) ∛27 = √3*3*3 = ∛3³ = 3
11) ∛125 = ∛5³ = 5
12) ∛729 = ∛9³ = 9
