Answer: 5\times10
Step-by-step explanation:
We know that the scientific notation is a representation of a very large or a very small number in the product of a decimal form of number (commonly between 1 and 10) and powers of ten.
Given : There are red blood cells contained in 50 cubic millimeters of blood .
The representation of 50 cubic millimeters in scientific notation is given by :-
[tex]5\times10\ \text{cubic millimeters }[/tex]
