ethanbradford714 ethanbradford714

11-11-2021
Mathematics

contestada

The Cardinality of this set {7,8,9) includes
a. n(P) = 3
b. n(P) = 6
c. n(P) = 24
d. n(P) = 2

Respuesta :

AbubakarMuniru AbubakarMuniru

11-11-2021

The answer is n(p)=3

Answer Link

haiderali920687 haiderali920687

13-11-2021

Answer:

The Cardinality of this set {7,8,9} is n(P) = 8.

Step-by-step explanation:

Because:

n(P) = {{}, {7}, {8}, {9}, {7, 8}, {8, 9}, {7, 9}, {7, 8, 9}}

Hence by the formula 2^k.

where, k = number of elements in the set.

The cardinality is 8.

Answer Link

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