I am trying to find the thickness of foil. I have the length 13.1 Width 9.5 mass 9.745 and I can not figure out the right formula. Then when i find the thickness I have toput it into cm, m, um

If the foil is ALUMINUM foil, then you need to know the density of aluminum. It's 2.70 g/cm3

IF the mass you provided is in grams and the dimemsions of the foil are in centimeters

Then,

Density = mass / volume

the volume of the foil = length x width x thickness

So,

2.7 = 9.745 / (13.1)(9.5)(thickness)

thickness = 9.745 / (13.1)(9.5)(2.7) = 0.029 cm

If the dimensions are in meters, then you have to first multiply meters by 100 to get centimeters.

If the mass is in kilograms, then you have to multiply it by 1000 to get grams.

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