The first three parameters in the Drake equation have values that have been estimated from astronomical observations to be N. =4.001011,Np=3, and fh=0.300 What if we assume that 2.0010 1% of planets in a habitable zone evolve life (f=2.00102), that when life evolves, 2.81101% of the Estimate the number of civilizations in the galaxy to one significant figure (e.g. if you compute 8.23 109, just answer "8 8109nn),.