Question 1: 9² = 9 x 9 = 81

Question 2: 3.2² = 3.2 x 3.2 ≈ 10.24

You might say 10.22 or 10.23.

Question 3: 5.5² = 5.5 x 5.5 = 30.25

You might say 30.2 or 30.3.

Question 4: 8.6² = 8.6 x 8.6 ≈ 74

Question 5: 6.7² = 6.7 x 6.7 ≈ 44.9

You might say 45.

Question 6: √81 = 9

Question 7: √6 ≈ 2.45

Question 8: √50 ≈ 7.07

You might say 7.06 or 7.08.

Question 9: √44 ≈ 6.63

Question 10: √12 ≈ 3.46