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Naya [18.7K]
3 years ago
5

If you stacked Avogadro's number of pennies one on top of the other on Earth's surface, how far would the stack extend (in km)?

[For comparison, the sun is about 150 million km from Earth and the nearest star (Proxima Centauri) is about 40 trillion km from Earth.]
Geography
1 answer:
Luba_88 [7]3 years ago
3 0

Answer:

the length of pennies will be like the Proxima Centauri

Explanation:

50 pennies make the length of a meter, so :

50 pennies = 1 m

   x               = 1 km  

x= (50 x 1000) = 50 000 pennies = 1 Km

Then if the Avogadro´s number is 6.022 x 1023 so:

50 000 pennies = 1 km

6.022 x 1023 pennies = x

x= (6.022 x 1023/ 50 000) = 1.2044 x 1019

This big number is closer to the 40 trillion km of the Proxima Centauri.

Hope this answer is useful.

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