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Can someone help me with this please???

Brainlyest if you help me lol

The mass of a freight train is 9.98 • 106 kilograms. The mass of an aircraft carrier is 7.3 • 107 kilograms. Approximately how many more kilograms is the mass of an aircraft carrier than the mass of a freight train? Show your work and write your answer in scientific notation. (10 points)

Respuesta :

musiclover10045

Expand the mass of each:

Freight train: 9.98 x 10^6 = 9,980,000 kg


Aircraft carrier: 7.3x10^7 = 73,000,000 kg


Now subtract:

73,000,000 - 9,980,000 = 63,020,000 kg

Convert to scientific notation: 6.302 x 10^7 kg

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