30. Zoe notices that her soup has some undesirable bacteria growing in it. She takes 1...

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30. Zoe notices that her soup has some undesirable bacteria growing in it. She takes 1 ml of the soup and adds 9 ml of water, mixing it well. After repeating this same dilution step one more time, she spreads 50 μ1 of the last mixture on several agar plates to grow the bacteria. The next day, she finds an average of 92 colonies growing on each plate. How many CFU/ A. 9.2 x 103 B. 9.2 x 105 C. 1.84 x 103 D. 1.84 x 104 E. 1.84 x 105 were present in zoes soup?

science biology

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