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A penny is 0.065 of an inch.

So there is about 974,770 pennies in a mile.

A light year is about 5.87849981 × 10^12 miles

So there would be 5.7301852597937 x 10^18 pennies in a light year

Or better still £5.7 quintillion

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8y ago
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Q: How much is a light year stack of pennies?
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