Answer
(a) $17.7, 17.9, 19.1, 19.4, 19.8$ millions
(b) increasing
Work Step by Step
(a) Set up a table as shown, the number of Americans living in New York State for each year can be calculated by multiplying the US population with the corresponding NY percentage as (for years 1980, 1990, 2000, 2010, 2014) $17.7, 17.9, 19.1, 19.4, 19.8$ millions respectively.
(b) From the results in part-(a), we can see that the number of Americans living in New York State is actually increasing over the years.
