The answer is 60% but you can make it higher if your teacher let's you correct it.
It’s b I did it I got it right
This would be the identity property of addition telling us that any number added to zero is that number (i.e. 6 added to zero is still 6)
578 bc 2 goes into 578 evenly
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
Learn more about division at:
#LearnwithBrainly