Convert these measurements. a 0.000 023 kg to µg (in standard form correct to 1 decimal place) b 234 800 kg to mg (in standard form correct to two decimal places) c 2.55 x 10 µg to Mg (in standard form) d 0.0098 x 10-3 ug to Mg (in standard form correct to 1 significant figure)

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