B＝｛bilangan asli ganjil kurang dari 15｝ Banyaknya himpunan bagian yang mungkin dari himpunan B adalah

<p>Jawaban yang tepat adalah 128</p><p>&nbsp;</p><p>Pembahasan :</p><p>B = {bilangan asli ganjil kurang dari 15｝</p><p>B = {1, 3, 5, 7, 9, 11, 13}</p><p>n(B) = 7</p><p>Banyaknya Himpunan bagian = 2^n(B)</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= 2⁷</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= 128</p>