49
-1.21 = -121/100 and reduces to: -1 21/100
100
121 is an odd number and it is also a square number because 11*11 = 121
121
121
49
121.
22
121
121
61 81 101 121 141...you get were im coming from!
(1) Take the difference of the two previous numbers in sequence (2) Add 4 to this difference. (3) Take the number from step #2 and add it to the previous number in the sequence. For example, to find the next number in the sequence: (1) 121 - 90 = 31 (2) 31 + 4 = 35 (3) 121 + 35 = 156
25 36 49 64 81 100 121 144
100, 121, 144...
49
121/100 = 121/100