Answer:
120
Explanation:
GDP deflator = (Nominal GDP / real GDP) * 100
GDP deflator in 2010 = (Nominal GDP in 2010 / Real GDP in 2010)*100
GDP deflator in 2010 = (18 trillion / 15 trillion)*100
GDP deflator in 2010 = 120
So, GDP deflator in 2010 is 120