Answer:
I believe your answer would be 
Step-by-step explanation:
Take 510, divide it by 30.
510/30 = 17
This means, every 17 red blood cells, there is 1 platelet, or 
Hope this helps! - Zac
Answer:
C
Step-by-step explanation:
Most reasonable
27/250=0.108
so this decimal is non-repeating and terminating.
The answer to the question