Question

Jawablah nomor 10,11,12,13
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Answer 1

10. (-8m²n³) x (2k³n⁴)
      = -16.m².k³.n⁽³⁺⁴⁾
      = -16.m².k³.n⁷..............opsi B

11. 2x/3 ÷ 4x/3x²
      =  2x/3 × 3x/4
      = 6x²/12
      = x²/2................opsi B

12. (3/4)³ ÷ (9/8)²
      = 3³/2⁶ × 2⁶/3⁴
      = 3³⁻⁴.2⁻⁶⁺⁶
      = 3⁻¹.2⁰
      = 1/3.............opsi A

13. (m³/n²)³ × (n/m⁴)⁻²
      = m⁹⁺⁸.n⁻⁶⁻²
      = m¹⁷.n⁻⁸
      = m¹⁷/n⁸.............opsi B