Jawaban:
a. n(A) = 2⁴ = 16
b. n(B) = 2⁵ = 32
c. n(C) = 2⁸ = 256
Penjelasan dengan langkah-langkah:
a. A= {1,2,3,4} = 4
n(A) = 2⁴
= 2x2x2x2
= 16
. B= {1,2,3,4,5} = 5
n(B) = 2⁵
= 2x2x2x2x2
= 32
c. C= {1,2,3,4,5,6,7,8} = 8
n(C) = 2⁸
= 2x2x2x2x2x2x2x2
= 256