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One of the reasons bacteria can be so deadly is because they multiply very quickly. E. coli has a doubling time of around 15 minutes. This means that if 100 bacteria are left alone for 2 hours, they will multiply to become:

Sagot :

Answer:

the amount of e. coli is now 25,600

Explanation:

2 hours = 120 minutes

120/15 = 8

i dont know how to write down this next part so im gonna just do it slowly

  1. 100 x 2 = 200
  2. 200 x 2 = 400
  3. 400 x 2 = 800
  4. 800 x 2 = 1600
  5. 1600 x 2 = 3200
  6. 3200 x 2 = 6400
  7. 6400 x 2 = 12800
  8. 12800 x 2 = 25600