Respuesta :

mathstudent55
We need to work with the same units, so first, we convert 1 km to cm.

1 km = 1000 m
1 m = 100 cm
1 km = 100,000 cm

Now we divide 100,000 cm by 5 cm.

[tex] \dfrac{100,000~cm}{5~cm} = 20,000 [/tex]

Answer: It will take 20,000 years.

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