Question

Banyak himpunan bagian dari{y l 10<y<20,y€ bilangan prima}

Answer 1

Verified answer

9,11,13,17,19

semoga membantu
kalo salah tolong di maafkan:)

Answer 2

{y I 10 < y < 20, y ∈ bil. prima}

y = {11, 13, 17, 19}
n(Y) = 4

Banyaknya himpunan bagian = 2ⁿ
                                                = 2⁴
                                                = 16 himpunan bagian