text: from sympy import *
  
  # The projected population of a certain ethnic​ group(in millions) can be approximated by
  t = symbols( 't' )
  r = 1.017
  P = 37.48 * ( r**t )
  dP = diff( P, t )
  years = 10
  
  # The population in 2010 is
  population = P.subs( { t: years } )
  # (Round to three decimal places as​ needed.)
  round( population, 3 )
  
  # The instantaneous rate of change in the population when t=10
  rate_of_change = dP.subs( { t: years } )
  # (Round to three decimal places as​ needed.)
  round( rate_of_change, 3 )