The screen size of a tablet computer is 9 inches, and the maximum screen resolution is 1080p. What is the approximate pixel density ppi of the screen?

The screen size of a tablet computer is 9 inches, and the maximum screen resolution is 1080p. What is the approximate pixel density ppi of the screen?
A . 200
B . 220
C . 240
D . 260

Answer: C

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