Steve S. answered • 03/12/14
Tutor
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Tutoring in Precalculus, Trig, and Differential Calculus
A U.S. nickel coin's designed thickness is 1.95 mm and diameter is 21.21 mm.
[From http://www.usmint.gov/about_the_mint/index.cfm?action=Coin_specifications]
A stack of 6 nickels would be 6(1.95 mm) high.
The longest length of 6 nickels touching each other would be 6(21.21 mm).
Which do you want?
