169
112 = 121122 = 144 is your answer
yes
21 The pattern is 121, 12321, 1234321
121
121.
The given number sequence is a series of perfect squares: 7^2, 8^2, 9^2, 10^2. Therefore, the next number in the sequence would be 11^2, which is 121.
121
49
100, 121, 144...
49
144