Which of the following is equal to 0 • 5?

5 50 0 -5 .50





It takes 21 minutes for a certain bacteria population to double. If there are 8,014,627 bacteria in this population at 10 AM, what is the best estimate, in millions, of the number bacteria at 10:42 AM on the same day?

8
16
24 32 40
Estimation



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