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There’s 10mm in a cm: 22mm
They use x-rays to diagnose broken bones
Answer:
Charge, 
Explanation:
It is given that,
The number of electron in a RBCs, 
We need to find the total charge of these electrons in the red blood cell. Let it is q. Using the quantization of charge as follows :
q = ne
e is the change on electron

So, the net charge is
.