please help me please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please
Answer:
1a: 16
1b: 25
1c: 36
1d: 49
1e: 64
1f: 91
1g: 100
2a: 4
2b: 5
2c: 6
2d: 7
2e: 56 is not a perfect square
2f: 9
2g: 10