Question:

Thickness.HELP???

A package of aluminum foilcontains 50 ft^2 of foil, which weighs approximately 8.6 ozAluminum had a density of 2.70g/cm^3.Q 1.) What is the approximate thickness of the foil in millimeters?10 pts!!!!thanks

Answer:

1 lb16oz453.6 grams 1 oz453.6/1628.52 grams 8.6oz245.26 grams 1cm^3 2.7grams X 245.26 X90.8375 cm^3 of aluminum area50ft^2(50x2.54x12)^22322576 cm^2 thickness90.8375/23225763.911x10^-5 cm 3.911x10^-7 m3.911 x10^-7 meter0.3911 micro meterGod bless you.

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