Matematika

Pertanyaan

Hasil dari:
A.) 6^7 × 6^-5 : 6^4
B.) a^8 : (a^-7 × a^4)
C.) X^3n-5 : X^2n+7

2 Jawaban

  • A.) 6^(7+(-5)-4) = 6^(-2)
    B.) a^(8-(-7+4)) = a^(8-(-3)) = a^11
    C.) X^((3n-5)-(2n+7)) = X^(3n-2n-5-7)
    = X^(n-12)
  • a. 6^7x6^-5:6^4
    =6².6^4
    =6^-2
    = 1/6^2
    = 1/36

    b. a^8:(a^-7xa^4
    = a^8:a^-3
    = a^11

    c. x^3n-5 : x^2n+7
    =(3n-5)-(x^2n+7)
    = n-12
    = x^n-12

Pertanyaan Lainnya