Can someone help me on this I can’t seem to figure it out thanks I really appreciate it

Number in square root is a number multiplied by itself. For example, 10*10 would give us a square root of 100.
Step-by-step explanation:
1. Square root of 36 = 6
2. Square root of 100 = 10
3. Square root of 81 = 9
4. Square root of 49 = 7