Respuesta :

Answer:

[tex]6.4\cdot 10^2 cm[/tex]

Explanation:

First of all, let's convert from nanometres to metres, keeping in mind that

[tex]1 nm = 10^{-9} m[/tex]

So we have:

[tex]6.4\cdot 10^9 nm \cdot 10^{-9} m/nm = 6.4 m[/tex]

Now we can convert from metres to centimetres, keeping in mind that

[tex]1 m = 10^2 cm[/tex]

So, we find:

[tex]6.4 m \cdot 10^2 cm/m = 6.4\cdot 10^2 cm[/tex]

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