A mole of pennies stacked on top of each other would extend from the earth to Neptune and back how many times?


Stacked on TOP not put end to end.

2 Answers

  • 9 years ago
    Favorite Answer

    So what you do is multiply a mole (6.02 x 10^23) times the diameter of each penny (0.75) inches. Doing this represents the total length of a mole of pennies in inches.

    Then convert that into miles by dividing it by 12 (to feet) and then 5280 (to miles). Take the miles from earth to neptune (2.68813 billion miles) and divide it into the number that you calculated.

    To find out the amount of round trips it takes, you just multiply the amount of miles from earth to neptune and multiply by 2 and then divide it into the calculated length of the mole of pennies (in miles).

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    Lv 4
    4 years ago

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