The planet mars has two moons – phobos and deimos. phobos has a mass of 10.8 × 1015 kilograms, and deimos has a mass of 2.0 × 1015 kilograms. how much greater is the mass of phobos than the mass of deimos? a) 8.8 × 1015 kilograms b) 8.8 × 1016 kilograms c) 9.2 × 1014 kilograms d) 9.2 × 1015 kilograms

The correct answer is A

Step-by-step explanation:

Since the difference in their masses is 10,800,000,000,000,000 - 2,000,000,000,000,000 = 8,800,000,000,000,000 kilograms, the mass of Phobos is 8.8 × 1015 kilograms more than the mass of Deimos.

6 hours 48 min

step-by-step explanation:

68÷5=13.6

13.6×30=408min=6 hours 48 min.

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