How many 700MB CDs are required to accommodate data that completely occupies a 280GB hard drive.

1 GB = 1024 MB, therefore 280 GB = 280 * 1024 = 286720 MB.
In order to find the number of all CDs, you need to divide the capacity of the hard disk by the capacity of one CD.
286,720 MB / 700 MB = 409.6 (CDs). Let’s round the resulting number to one – 410.
Answer: You need 410 CDs.



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