As we already have the model that describes the change of the population in Italy in terms of the years that have elapsed, we only have to replace the conditions that are requested in that equation.
Therefore to find the population of Italy in the year 2000 (t = 10 years) substitute t = 10 in the equation and have:

million people
To find the population of Italy in 2008 (t = 18 years)
substitute t = 18 in the equation and have:

million people
To predict the population in Italy for 2015 and 2020 with this model, we substitute in the equation t = 25 and t = 30
t = 25
million people
t = 30
million people
To figure out how many yen all ya have to do is multiply 88.353 by 100 to get the answer 8835.3 yen.
8:23, after 45 minutes is technically 8: 68
however, the hour ends at 60 minutes, so your true answer is 9:08 pm
hope this helps