how do you convert 23.5 million nanometers to millimeters

Answer : The 23.5 million nanometers is equal to 23.5 millimeters.
Explanation :
The conversion used from nano-meter to millimeter is:
[tex]1\text{ nanometer}=10^{-6}\text{ millimeter}[/tex]
As we are given that 23.5 million nanometers.
Now we have to convert it into millimeter.
As, [tex]1\text{ nanometer}=10^{-6}\text{ millimeter}[/tex]
23.5 million = [tex]23.5\times 10^6[/tex]
So, [tex]23.5\times 10^6\text{ nanometer}=\frac{23.5\times 10^6\text{ nanometer}}{1\text{ nanometer}}\times 10^{-6}\text{ millimeter}=23.5\text{ millimeter}[/tex]
Therefore, the 23.5 million nanometers is equal to 23.5 millimeters.