Size of a virus (approx.) - 4.5 × 10⁻⁹ m, Distance from Earth to Sun - 1.5 × 10¹¹ m, Grain of sand diameter - 1.0 × 10⁻⁴ m, Reciprocal of 107 - 1 / 107, 20 - 1,

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Pulihkan simpan otomatis: ?