For the series n=1(1)n7n0.6+8\displaystyle {\sum_{{{n}={1}}}^{\infty}}\frac{{\left(-{1}\right)}^{{n}}}{{{7}{n}^{{0.6}}+{8}}} calculate the sum of the first 4 terms, S4\displaystyle {S}_{{4}}.
S4=\displaystyle {S}_{{4}}=  
Include several decimals in your answer.
Now find a bound for the error.
|error| \displaystyle \le