1 cm 2 = 10000 micrometer 1 micrometer = 1e‑8 cm2 2 cm 2 = 14142.1356 micrometer 2 micrometer = 4e‑8 cm2 3 cm 2 = 17320.5081 micrometer 3 micrometer = 8.999999999999999e‑8 cm2 4 cm 2 = 20000 micrometer 4 micrometer = 1.6e‑7 cm2
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