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The mass of earth is 5.97 X 10^24 kilograms. The mass of the moon is 7.34 X 10^22 kilograms. What is the combined mass of earth and the moon? Express your answer In scientific notation.
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The mass of earth is 5.97 X 10^24 kilograms. The mass of the moon is 7.34 X 10^22 kilograms. What is the combined mass of earth and the moon? Express your answer In scientific notation.

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Just need to convert the mass of moon in terms of 10^24. So shift over 2 decimal places.

5.97 x 10^24 + 0.0734 x 10^24 = 6.04 x10^24
User Delmer
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