Scientists believe that there is an extremely massive black hole at the center of the milky way. how many times more massive than the sun would a black hole with a mass of 7.36 x 10^36 kg be? the mass of the sun is approximately 1.99 x 10^30 kg. a. 3.7 x 10^8 b. 3.7 x 10^6 c. 3.7 x 10^4 d. 3.7 x 10^3