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28 June, 23:16

Light shining from the surface of Mars would take about 182 seconds to reach Earth. Light travels through space at 186,282 miles per second. Which expression can be used to calculate the distance, in miles, from Mars to Earth?

A) 186,282 ⋅ 182

B) 182 ± 186,282

C) 182 : 186,282

D) 186,282 : 182

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Answers (1)
  1. 29 June, 01:44
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    The distance light travels in 1 second - 186,282 miles

    Therefore distance it takes to travel within 182 seconds - 186,282 miles/second x 182 seconds

    Therefore to find the answer we need to multiply the distance it travels within a second with the amount of seconds it takes

    correct answer is A) 186,282 ⋅ 182
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