Posted by **Anonymous** on Sunday, February 13, 2011 at 5:20pm.

A rectangular sheet of

aluminum foil is 50 centimeters long and 20 centimeters

wide, and weighs 5.4 grams. Find the thickness

of the aluminum foil in centimeters.

- Algebra -
**Henry**, Tuesday, February 15, 2011 at 7:32pm
D = kg/V = 2700kg/m^3.

5.4*10^-3 / V = 2700,

V = 5.4*10^-3 / 2.7*10^3 = 2*10^-6.

V = 0.05 * 0.02 * T = 2*10^-6,

1*10^-3*T = 2*10^-6,

T = 2*10^-6 / 1*10^-3 = 2*10^-3m = 2mm.

- Algebra -
**Anonymous**, Saturday, August 20, 2011 at 3:36pm
A rectangular sheet of aluminum foil is 50 centimeters long and 20 centimeters wide, and weighs 5.4 grams. Find the thickness of the aluminum foil in centimeters.

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