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If A={1, 3, 5, 7}, then what is the cardinality of the power set P(A)?

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If A={1, 3, 5, 7}, then what is the cardinality of the power set P(A)?
A. 8
B. 15
C. 16
D. 17
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Correct Answer - C
Number of element in set A is 4.
Cordinality of the power set P(A) = `2^(4)=16`
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