Identify the prefect squares among the following numbers;
1, 2, 3, 8, 36, 49, 65, 67, 71, 81, 169, 625, 125, 900, 100, 1000, 100000.
62 = 36
72 = 49
92 = 81
132 = 169
252 = 625
302 = 900
102 = 100
Hence, 36, 49, 81, 169, 625, 900 and 100 are perfect squares.