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Q.
The table shows the mass of the planets, the Sun, and the Moon in our solar system. Find the order of the planets and the Moon according to their mass, from least to greatest.
Celestial Body | Mass (kg) |
Sun | 1,990,000,000,000,000,000,000,000,000,000 |
Mercury | 330,000,000,000,000,000,000,000 |
Venus | 4,870,000,000,000,000,000,000,000 |
Earth | 5,970,000,000,000,000,000,000,000 |
Mars | 642,000,000,000,000,000,000,000,000,000 |
Jupiter | 1,900,000,000,000,000,000,000,000,000 |
Saturn | 568,000,000,000,000,000,000,000,000 |
Uranus | 86,800,000,000,000,000,000,000,000 |
Neptune | 102,000,000,000,000,000,000,000,000 |
Pluto | 12,700,000,000,000,000,000,000 |
Moon | 73,500,000,000,000,000,000,000 |
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a
b
c
d
answer is A.
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Detailed Solution
The mass of Sun is,
Rewrite 1000000000000000000000000000000 as to write the mass of sun in standard notation, the mass of sun .
Similarly converting all the masses in standard notation:
Celestial Body | Mass in (kg) in Standard Notation |
Sun | |
Mercury | |
Venus | |
Earth | |
Mars | |
Jupiter | |
Saturn | |
Uranus | |
Neptune | |
Pluto | |
Moon |
Celestial Body | Mass in (kg) in Standard Notation |
Pluto | |
Moon | |
Mercury | |
Venus | |
Earth | |
Uranus | |
Neptune | |
Saturn | |
Jupiter | |
Mars | |
Sun |
Pluto< Moon<Mercury< Venus <Earth < Uranus < Neptune < Saturn < Jupiter < Mars < Sun
Hence, the correct option is 1.
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