Question

The InSight robotic lander traveled from Earth to Mars. The distance between the planets is approximately 3×108 miles and the robotic lander took 200 days.


How many miles, written in scientific notation, did the robotic lander travel per day?


A

1.5×10^4 miles

B

1.5×10^7 miles

C

1.5×10^6 miles

D

1.5×10^9 miles

Answer 1

The robotic lander travel 1.5 * 10⁶ miles per day

Speed is the ratio of distance travelled to time taken. It is given by:

Speed = distance / time

Since it takes 200 days for a InSight robotic lander traveled from Earth to Mars.

The distance travelled per day = 3×10⁸ miles / 200 days = 1.5 * 10⁶ miles

The robotic lander travel 1.5 * 10⁶ miles per day

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