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Nail polish remover containing acetone was spilled in a room $5\mathrm{.}63m3\mathrm{.}68m3\mathrm{.}16m.$

Measurements indicated that $8,750mg$ of acetone evaporated. Calculate the acetone concentration in micrograms per cubic meter.

$10,\frac{g}{m^3}$

$($Enter your answer in scientific notation.$)$