Question

mass of the earth is 5.97 ×10^24 kg and mass of the moon is 7.35×10^22 kg .What is the difference of their masses?
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Answer 1

mass of Earth = 5.97 * 10^24= 597* 10^22

mass of moon = 7.35* 10^22

now difference in masses can be done directly to get (597-7.35)* 10^22= 589.65* 10^22kg or 5.8965* 10^24kg

Answer 2

★♠ HEYA★♠

$the \: difference \: in \: their \: masses \: is \: \\ \\ (7.35 \times 10 {}^{22} - 5.97 \times 10 {}^{24} )kg \\ \\ \\ 10 {}^{22} (7.35 - 5.97 \times 10 {}^{2} )kg \\ \\ \\ 10 {}^{22} (7.35 - 0.0597)kg \\ \\ \\ 10 {}^{22} (7.2903)kg \\ \\ \\ 7.2903 \times 10 {}^{22} kg \\ \\ \\ 72903 \times 10 {}^{18} kg$