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Type: Multiple-Choice
Category: Circles
Level: Grade 10
Standards: HSG-MG.A.2
Author: nsharp1
Last Modified: 2 weeks ago

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Circles Question

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Grade 10 Circles CCSS: HSG-MG.A.2

A typical hard drive disk platter (where the information of a hard drive is stored) is a circular disk. The portion on which information can be stored is an annulus (a disk with a circular hole in the center). The diameter of a typical platter is 3.5 in., and the diameter of the hole is 1.2 in. The platter can store information on both sides of the disk. If the density of the disk is approximately [math]58.9 \ "MB"//"in."^2[/math], how much data can the disk store, to the nearest MB?
  1. 5 MB
  2. 500 MB
  3. 1000 MB
  4. 2000 MB
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