nataliehicks1 nataliehicks1

26-02-2021
Mathematics

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light from the sun travels to he earth at a speed of 1.86x10^5 miles/second. how much time will it take to cover a distance of 9.2x10^7 miles? write your answer in scientific notation and round so the first factor goes to the hundredths place

Respuesta :

26-02-2021

Answer:

round figure- 500s, original- 494.6236559s

Step-by-step explanation:

[tex]1.86 \times {10}^{5}miles = 1sec \\ 9.2 \times {10}^{7} miles = \frac{1.86 \times {10}^{5} }{9.2 \times {10}^{7} } \\ = 500 \: seconds < 2 \: significant \: figures > [/tex]

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