Suppose you were given 10 ml of milk. You added 0.5 ml of the milk to 9.5 ml of sterile water. After mixing, 1 ml of the diluted milk was added to 99 ml of sterile water. Then, you took 0.1 ml from the last dilution and plated on a nutrient agar plate. After incubation 75 colonies were counted on the plate. How many bacteria were present in the entire 10 ml milk sample?