(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

(1)If C is a set with c elements , how many elements are in the power set of C ? explain your answer.

(2)If A has a elements and B has b elements , how many elements are in A x B ? explain your answer.

2. Relevant equations

3. The attempt at a solution

(1)The answer is 2 to the power of c / 2^c ..~ but how am i going to explain ?

(2)The answer is a*b elements . but still don't even know how to explain ..~

sorry for the stupid question ..~ but i really curious want to know how to explain it ..~

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# Homework Help: How to explain?

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