The mass of planet A is $7.45 \times 10^{25}$ kg and the mass of planet B is $8.55 \times 10^{23}$ kg. What is the total mass?

Given :

Mass of the planet A $= 7.45 \times 10^{25}$ kg

Mass of the planet B $=8.55 \times 10^{23} kg= 0.0855 \times 10^{25}$ kg

To do :

We have to find the total mass.

Solution :

Total mass of the planets $= 7.45 \times 10^{25} kg + 0.0855 \times 10^{25}$ kg

 $= (7.45+0.0855) \times 10^{25}$ kg

$= 7.5355 \times 10^{25}$ kg

The total mass is $7.5355 \times 10^{25}$ kg

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Updated on: 10-Oct-2022

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