Discover a world of knowledge and get your questions answered at IDNLearn.com. Our platform is designed to provide quick and accurate answers to any questions you may have.
Collectible coins are sometimes plated with gold to enhance their beauty and value. Consider a commemorative quarter-dollar advertised for sale at $4.98. It has a diameter of 24.3 mm, a thickness of 1.78 mm, and is completely covered with a layer of pure gold 0.143 µm thick. The volume of the plating is equal to the thickness of the layer multiplied by the area to which it is applied. The patterns on the faces of the coin and the grooves on its edge have a negligible effect on its area. Assume the price of gold is $13.7 per gram.
(a) Find the cost of the gold added to the coin.
(b) Does the cost of the gold significantly enhance the value of the coin?
Yes
No
Explain your answer.
We value your participation in this forum. Keep exploring, asking questions, and sharing your insights with the community. Together, we can find the best solutions. Thank you for visiting IDNLearn.com. For reliable answers to all your questions, please visit us again soon.
