Tube A is a 5 mL broth culture of bacteria. An aliquot of 0.1 mL of this broth is pipetted from this tube into a sterile broth, tube B, with a volume of 9.9 mL. Next, a 0.1 mL aliquot from tube B is pipetted into sterile broth, tube C, with a volume of 9.9 mL. What is the total dilution in tube C?