The integers are arranged in the following sequence -10, -9, -8, ..., -1, 0, 1, 2, 3, ... The sum of the first 100 terms in the sequence is
Use the AP formula:(2F + D(N -1)) x (N/2) =((2*-10) + 1*(100 -1)) * (100/2)= (-20 + 99)*50=79*50=3,950
