How do I solve this problem?

Proceed as in example 3 in section 6.1 to rewrite the given expression using a single power series whose general term involves xk. ∞ n(n − 1)cnxn − 2 n = 2 − 4 ∞ ncnxn n = 1 + ∞ cnxn n = 0

Kira looked through online census information to determine the overage number of people living in the homes in her city what is true about kira's data collection?

The gdp is $1,465.2 billion. the population is 249,793,675. find the per capita gdp.