Question: Hello I need help with this question please. A leprechaun places a magic penny under agirl's pillow. The next night there are 2 magic pennies

Hello I need help with this question please.

A leprechaun places a magic penny under agirl's pillow. The next night there are 2 magic pennies under her pillow. Each night the number of magic pennies doubles. How much money will the girl have after 19 nights?

How much money will the girl have after 19 nights?

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