A. 2⁴ × 3²
B. 2⁴ × 3⁴
C. 3⁴ × 5²
D. 3² × 5⁴
Hasil 4³ + 6⁴ – 6 pangkat 6 × 9¯³ adalah
PERTANYAAN
Hasil dari 4³ + 6⁴ – 6⁶ × 9⁻³ adalah…?
A. 2⁴ × 3²
B. 2⁴ × 3⁴
C. 3⁴ × 5²
D. 3² × 5⁴
PENYELESAIAN
4³ + 6⁴ – 6⁶ × 9⁻³
= (2²)³ + 6⁴ – 6⁶ × (3²)⁻³
= 2²ˣ³ + 6⁴ – 6⁶ × 3⁻⁶
= 2⁶ + 6⁴ – 6⁶ × 3⁻⁶
= 64 + 6⁴ – 6⁶ × 3⁻⁶
= 64 + 1.296 – 46.656 × ¹/3⁶
= 64 + 1.296 – 46.656 × ¹/₇₂₉
= 64 + 1.296 – ⁴⁶⁶⁵⁶/₇₂₉
= 1.360 – ⁴⁶⁶⁵⁶/₇₂₉
= 1.360 – ⁶⁴/₁
= ¹²⁹⁶/₁
= 1.296
= 6⁴
= 2⁴ × 3⁴