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11-02-2022
Mathematics

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A standard DVD has a surface area of 134 cm2 depending on formatting it holds either 4.7 or 8.5 gigabytes find the data density in both cases

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mhanifa mhanifa

22-02-2022

Step-by-step explanation:

Data density = Data capacity / surface area

Use the formula to find the answer:

1.

4.7 /134 = 0.0351 Gb/cm²

2.

8.5/134 = 0.0634 Gb/cm²

Note. the numbers above are rounded

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