A probe sent to the surface of Mars uncovers a pure platinum disc inscribed with the message, "We'll be right back" (in Martian, of course!). The disc is inches thick and meters in diameter. The density of platinum is 21,450 . What is the mass of the platinum disc in pounds ()?

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A probe sent to the surface of Mars uncovers a pure platinum disc inscribed with the message, "We'll be right back" (in Martian, of course!). The disc is inches thick and meters in diameter. The density of platinum is 21,450 . What is the mass of the platinum disc in pounds ()?

Mathematics
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At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.

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the volume of a cylinder (a disk is like a wide, short cylinder) is\[V=\pi r^2\ell\]where r is the radius and mass is density times volume\[m=\rho V=\rho\pi r^2\ell\]
The Martian acceleration due to gravity is 3.61 while Earth's gravitational constant is 32.2 . What is the Earth weight of the disc in Newtons?
Weight is the force of gravity on an object.\[F_g=mg\]where g is the acceleration of gravity in that region.

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