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# Photographic film is manufactured by applying a very thin layer of

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Re: Photographic film is manufactured by applying a very thin layer of [#permalink]
Where did the second 100 come from? Would you mind explaining a bit more for me?

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Photographic film is manufactured by applying a very thin layer of [#permalink]
Bunuel If I solve it like this: $$\frac{25 cm^3}{1 m^2}$$ = $$\frac{25 cm*cm*cm }{ 100 cm*100 cm}$$ = $$\frac{25 cm }{ 10000}$$ = 0.0025 cm
Is that right?­
Photographic film is manufactured by applying a very thin layer of [#permalink]
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