A package of aluminum foil contains 48 ft^2 of foil, which weighs approximately 7.8 ozAluminum has a density of 2.70 g/cm^3.-What is the approximate thickness of the foil in millimeters?Express your answer using two significant figures.
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Find out how many grams in 1 oz (e.g28 grams?) Convert 7.8 oz to grams (7.8 x 28 grams)Since 2.70 g is 1 cm3 you can work out the volume of (7.8 x 28) gramsYou know the area is 48 ft2Convert 1 foot to cm (e.g30 cm?)So area is 48 x 30 x 30 cm2If you divide the volume by the are you will have the thichness in cmNow convert this to mmI've guessed the conversions here, but if you look up accurate figures I've given you the method.
i desire George To Win D yet could be happy if nemisis,signature,escala or strike gained!! i in my view dont think of a singer could desire to win coz they are in a position to flow on the xfactor, dancers etc cant!!
Find out how many grams in 1 oz (e.g28 grams?) Convert 7.8 oz to grams (7.8 x 28 grams)Since 2.70 g is 1 cm3 you can work out the volume of (7.8 x 28) gramsYou know the area is 48 ft2Convert 1 foot to cm (e.g30 cm?)So area is 48 x 30 x 30 cm2If you divide the volume by the are you will have the thichness in cmNow convert this to mmI've guessed the conversions here, but if you look up accurate figures I've given you the method.
