Calculate the cost of using aluminumOne rectangular sheet of aluminum measuring 25.4 centimeters long, 10.2 centimeters wide, and 0.04 centimeters thick will cost $2.69a) How many square centimeters are in one rectangular sheet of aluminum?b) Determine the cost of aluminum per square centimeter to the nearest tenth of a centWhen calculating an amount of money, always round up.Do I have to find the surface area of the aluminum sheet? If so, I got 521.008 cm2I feel like I did this wrong because in the next part of the question, I get a decimal in the thousandths placeWhat I did was divide 2.69 by 521.008Please correct me because I know I am doing this wrongNo rude comments.
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a) How many square centimeters are in one rectangular sheet of aluminum? 25.4 centimeters long, 10.2 centimeters wide 25.4 x 10.2 259.08 cm? b) Determine the cost of aluminum per square centimeter to the nearest tenth of a centWhen calculating an amount of money, always round up cost $2.69 2.69 / 259.08 $ 0.01038 / cm? tenth of a cent $ 0.010 / cm? of course you could argue that the SURFACE AREA is what is asked for a) so 2 x 25.4 x 10.2 + 2 x 25.4 x 0.04 + 2 x 10.2 x 0.04 521.008 cm? but b) asks for the cost per cm? which is one side!
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