Respuesta :

Answer:

123 kilograms

Step-by-step explanation:

To find the answer, use dimensional analysis:

[tex]\frac{123,000,000 mg}{1}[/tex] x [tex]\frac{1 kg}{1,000,000 mg}[/tex] = [tex]\frac{123,000,000}{1,000,000}[/tex] kg = 123 kg

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