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<p>Jawaban &nbsp;<strong>B. 3</strong></p><p>&nbsp;</p><p><strong>Pembahasan&nbsp;</strong></p><p><i>Sifat logaritma&nbsp;</i></p><p>1. &nbsp;&nbsp;^alog b. ^blog c = ^alog c&nbsp;</p><p>2. &nbsp;&nbsp;^alog b = ^xlog b/^xlog a</p><p>&nbsp;</p><p>Cara 1:</p><p>^alog b. ^blog a³ = ^alog a³</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = 3</p><p>&nbsp;</p><p>atau</p><p>&nbsp;</p><p>Cara 2:</p><p>^alog b. ^blog a³ = (log b)/log a &nbsp;× &nbsp;(log a³)/log b</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = 3 log a/log a</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = 3</p><p>&nbsp;</p><p>&nbsp;</p>