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How tall is a tower of 100 pennies


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.

Answerd by cjpage
1 year ago 19 5.0