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4 October, 16:00

Add 1299 g and 45.1 kg and express your answer in milligrams (mg) to the correct number of significant figures. A) 4.64 x 10t mg B) 4.64 x 10s mg C) 4.64 x 10s mg D) 4.64 x 10' mg

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  1. 4 October, 16:20
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    Answer: 4.64 * 10^7 mg

    Explanation:

    Given:

    T = 1299g + 45.1kg

    Convert kg to g

    T = 1299g + 45.1kg * 1000g/kg

    T = 1299g + 45100g

    T = 46399g

    T = 4.64 * 10^4 g

    Convert to milligram

    T = 4.64 * 10^4 g * 1000mg/g

    T = 4.64 * 10^7 mg

    Therefore, 1299g + 45.1kg = 4.64 * 10^7 mg
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