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Anonymous
Anonymous asked in Science & MathematicsMathematics · 8 years ago

Finding the Cartesian product?!?

B = {x ∈ Z | 2 < 2x < 19}

how do you find the number of cardinals in this ?

PLEASE HELP :D

1 Answer

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  • Danish
    8 years ago
    Favorite Answer

    First write the set in Tabular or Roster form:

    B={2,3,4,5,6,7,8,9}

    Now, Cardinal Number of B is the number of elements in B

    Therefore, Cardinal no. Of B=n(B)=8

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