Matematika

Pertanyaan

2. Sederhanakan
a. 3^3 x 3^-1 : 3^5 x 3²
b. 6^5 x (6² : 6^3)

2 Jawaban

  • a. 3^3 × 3^-1 : 3^5 ×3^2 = 3^3+(-1)-5+2 = 3^-1
    b. 6^5× ( 6^2:6^3 ) = 6^5 × 6^2-3 = 6^5 × 6^-1 = 6^5-1 = 6^4
  • Bab Eksponensial
    Matematika SMP Kelas IX

    a] (3^3 x 3^-1) : (3^5 x 3^2)
    = (3^(3 - 1)) : (3^(5 + 2))
    = 3^2 x 3^(-7)
    = 3^(2 - 7)
    = 3^(-5)
    = 1/3^5
    = 1/243

    b] 6^5 x (6^2 : 6^3)
    = 6^5 x 6^(2 - 3)
    = 6^5 x 6^(-1)
    = 6^(5 -1)
    = 6^4
    = 1.296

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