Answer : The number of drops of blood in a blood collect in tube are, 40.
Explanation :
As we are given that:
Volume of a drop of blood = 0.05 mL
Volume of blood collection tube that holds = 2 mL
Now we have to calculate the number of drops of blood collect in tube.

Now put all the given values in this expression, we get:

Therefore, the number of drops of blood in a blood collect in tube are, 40.