The number of viruses was 4000 times greater than number of protozoa.
Step-by-step explanation:
Given,
Number of protozoa = 
Number of viruses = 
Let,
x be the number of times number of viruses is greater than number of protozoa.
Number of viruses = Number of time * Number of protozoa

Dividing both sides by 

The number of viruses was 4000 times greater than number of protozoa.
Keywords: division, scientific notation
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Are we allowed to see the diagram or not?
Answer:
9. The scale factor is 1.5.
10. scale factor = 0.75
the missing side is 9m
Step-by-step explanation:
9. 3/2 = 1.5
9/6 = 1.5
6/4 = 1.5
10. 12/16 = 0.75
12*0.75 = 9