01-10-2015
Mathematics

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How tall is a tower of 100 pennies

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01-10-2015

A stack of 100 pennies, one on top of the other, is 15.5 centimeters tall.

a penny is 1.55 mm thick, so a stack of
100 pennies would be 155 mm thick or 15.5 centimeters.

This means that a stack of 100 pennies is 6.1 inches in height.

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