Estimate the number of steps you would have to take to walk a distance equal to the circumference of the Earth. (We estimate that the length of a step for an average person is about 18 inches, or roughly 0.5 m. The radius of the Earth is 6.38 x 106 m.) O 105 steps O 108 steps O 10¹1 steps O 1015 steps 1020 steps

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Chapter1: Units And Measurement
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Estimate the number of steps you would have to take to walk a distance equal to the circumference of the Earth. (We
estimate that the length of a step for an average person is about 18 inches, or roughly 0.5 m. The radius of the Earth is
6.38 x 106 m.)
105 steps
108 steps
1011 steps
1015 steps
O 1020 steps
Transcribed Image Text:Estimate the number of steps you would have to take to walk a distance equal to the circumference of the Earth. (We estimate that the length of a step for an average person is about 18 inches, or roughly 0.5 m. The radius of the Earth is 6.38 x 106 m.) 105 steps 108 steps 1011 steps 1015 steps O 1020 steps
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