Add 1,299g and 45.1kg, And express your answer in milligrams (mg)to the correct number of significant figures. A)4.64 × 10⁷ mg B)4.64 × 10⁴ mg C)4.64 × 10⁵ mg D)4.64 × 10⁶ mg

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Quizplus · Accepted Answer

To add 1,299g and 45.1kg, first convert 45.1kg to grams: 45.1kg = 45,100g. Then add: 1,299g + 45,100g = 46,399g. Convert to milligrams: 46,399g = 46,399,000mg. Expressed in scientific notation with correct significant figures, it is 4.64 × 10^7 mg.