how many pennies does it take to cover an area of 3612 inches?
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1 Answer

that gotta be square inch

penny wide=19.05 milimeter

area av serkel=pi*radius*radus=3.14159265* 9.525^2

=285.0229567 square mm

or 2.850229567* 10^-4 square meter

1 square meter=1550.0031 square inch

so 3612 sq inch =2.33031807 sq meter

2.33031807 sq meter / 2.85022967*10^-4=0.817589606*10-4

or 8.17589606e-5
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