nilai dari ⁴log 81 × ³log 64

4 log 81 x 3 log 64 = 4 log 3^4 x  3 log 64 = 4. 4log 64 = 4. 4log 4^3= 4.3 4log4= 12

⁴log 81 × ³log 64
= ⁴log 3⁴ × ³log 4³
= 4 × ⁴log 3 × 3 × ³log 4
= 4×3× ⁴log 3 × ³log 4
= 12 × ⁴log 4
= 12 × 1
= 12

Semoga membantu, kalau bener jadikan terbaik ya. Tq :)