What is the conversion factor between cm$2$and m$2?$

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$0\mathrm{.}01$ m $2/$cm $2$

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$100$ m $2/$cm $2$

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$0\mathrm{.}0001$ m $2/$cm $2$

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$10000$ m $2/$cm $2$

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$10$ m $2/$cm $2$