- #1
freshman2013
- 43
- 0
Homework Statement
find the sum of (-1)^(n-1)*(n^2)/(10^n) correct to 4 decimal places
Homework Equations
The Attempt at a Solution
I got s5 since s6 is 36/1000000<0.0001
According to Wolframalpha, s5 is 0.06765 and s6 is 0.067614. Am i missing something here, or reading the problem wrong? The book claims it's s6 since s7 is 0.0000049 and that is the first value accurate to the 4th decimal place