Answer:
- (Answer of part B) First of all diameter of Mars in ordinary number = 6780 km
- Now radius = Diameter/2
- = 6780/2
- = 3390
- So radius of Mars in ordinary number = 3390 km
- (Answer of part C) Mass of earth = 5.97 × 10³⁴
- Mass of mercury = 3.3 × 10²³
- Difference between the masses of Earth and Mercury = (5.97 × 10³⁴) - (3.3 × 10²³)
- = 2.67 × 10¹¹
- So, difference = 2.67 × 10¹¹
Step-by-step explanation:
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