Answer Happy

Estimate the magnitude of the error involved in using the sum of the first four terms to approximate the sum of the entire series. 19) (-1)+1(-0.1)2n+1 Σ 2n+1 n=1 20) A) -1.11 × 10-10 (-1)+1n Σ n n=1 A) 0.20 -,-1<t≤1 B) -9.09 x 10-13 C) -1.00 × 10-11 C)|5| 2215 D) 8.33 x 10-14 20) 19)