Radius of earth is equal to 6 xx 10^6. A...

Radius of earth is equal to `6 xx 10^6`. Acceleration due to gravity is equal to `9.8 m/s^2`. Gravitational constant G is equal to `6.67 xx 10^-11 Nm^2 kg^-2`. Then mass of the earth is

`6.0 xx 10^24 kg `

`5.3 xx 10^24 kg `

`5.9 xx 10^24 kg `

`6.6 xx 10^24 kg `

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