2*-2, 3*-3,4*-4,etc. * is a times sign.
-16
Yes
Yes.
4, 9, 16, 25, 36, 49, 64, 81, and 100
.... 49, 36, 25, 16, 9, 4 and 1
36%= 9/25 * 100%= 0.36 * 100%= 36%
4,9,16,25,36,49,64,81,100,121
1, 4, 9, 16, 25, 36, 49, 64, 81, 100
1491625364964811001, 4, 9, 16, 25, 36, 49, 64, 81, and 100
1, 4, 9, 16, 25, 36, 49, 64, 81, 100
101
36/100 = 9/25