Tentukan hasil operasi bilangan berpangkat berikut! a. 67×6−5÷64 b. 4−6×49÷4−2 c. a8÷(a−7×a4)

Pertanyaan

Tentukan hasil operasi bilangan berpangkat berikut!

a. $6^7\times6^{-5}\div6^4$
b. $4^{-6}\times4^9\div4^{-2}$
c. $a^8\div\left(a^{-7}\times a^4\right)$

D. Rajib

Master Teacher

Mahasiswa/Alumni Universitas Muhammadiyah Malang

Jawaban terverifikasi

Jawaban

hasil dari 6 to the power of 7 cross times 6 to the power of negative 5 end exponent divided by 6 to the power of 4 equals 1 over 36

4 to the power of negative 6 end exponent cross times 4 to the power of 9 divided by 4 to the power of negative 2 end exponent equals 1.024

, dan

a to the power of 8 divided by open parentheses a to the power of negative 7 end exponent cross times a to the power of 4 close parentheses equals a to the power of 11

Pembahasan

Ingatlah sifat-sifat bilangan berpangkat berikut.

Berdasarkan sifat-sifat di atas, maka:

Dengan demikian, hasil dari 6 to the power of 7 cross times 6 to the power of negative 5 end exponent divided by 6 to the power of 4 equals 1 over 36 , 4 to the power of negative 6 end exponent cross times 4 to the power of 9 divided by 4 to the power of negative 2 end exponent equals 1.024 , dan a to the power of 8 divided by open parentheses a to the power of negative 7 end exponent cross times a to the power of 4 close parentheses equals a to the power of 11 .