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Murljashka [212]
3 years ago
14

The moon has a mass of 7.35×10^22 KG while earth has a mass of 5.97×10^24 KG what is the combined mass of the earth and moon

Mathematics
1 answer:
vladimir1956 [14]3 years ago
7 0

The combined mass of earth and moon is 6.0435 \times 10^{24} kg

<em><u>Solution:</u></em>

Given that moon has a mass of 7.35 \times 10^{22} kg while the earth has mass of 5.97 \times 10^{24} kg

To find: combined mass of earth and moon

From given question,

mass of earth = 5.97 \times 10^{24} kg

mass of moon = 7.35 \times 10^{22} kg

Combined mass = mass of earth + mass of moon

Substituting the values we get,

\text{ Combined mass } = 5.97 \times 10^{24} + 7.35 \times 10^{22}

Make both the exponents same

Move the decimal point two times left in 7.35 \times 10^{22} and increase the exponent to 10^{24}

\text{ Combined mass } = 5.97 \times 10^{24} + 0.0735 \times 10^{24}\\

Take 10^{24} as common term

\text{ Combined mass } = 10^{24} (5.97 + 0.0735)\\\\\text{ Combined mass } = 6.0435 \times 10^{24}

Thus combined mass of earth and moon is 6.0435 \times 10^{24} kg

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