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Pertanyaan

Bentuk sederhana dari ( 5 a − 4 b − 5 ) − 2 ( 5 a 3 b − 2 ) 4 ​ adalah ....

Bentuk sederhana dari  adalah ....

  1. 5 to the power of 6 a squared b to the power of negative 18 end exponent 

  2. 5 to the power of 6 a to the power of 4 b to the power of negative 18 end exponent 

  3. 5 to the power of 6 a squared b to the power of 18 

  4. 5 to the power of 6 a to the power of 5 b to the power of negative 18 end exponent 

  5. 5 to the power of 6 a to the power of 4 b to the power of 20 

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P. Tessalonika

Master Teacher

Mahasiswa/Alumni Universitas Negeri Medan

Jawaban terverifikasi

Jawaban

bentuksederhana dari adalah .

bentuk sederhana dari open parentheses 5 a cubed b to the power of negative 2 end exponent close parentheses to the power of 4 over open parentheses 5 a to the power of negative 4 end exponent b to the power of negative 5 end exponent close parentheses to the power of negative 2 end exponent adalah Error converting from MathML to accessible text..

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Pembahasan

Untuk soal eksponen tersebut berlaku syarat-syarat bilangan berpangkat seperti berikut: dengan Dengan demikian, bentuksederhana dari adalah .

Untuk soal eksponen tersebut berlaku syarat-syarat bilangan berpangkat seperti berikut:

  • open parentheses a to the power of p close parentheses to the power of q equals a to the power of p cross times q end exponent 
  • a to the power of p over a to the power of q equals a to the power of p minus q end exponent dengan a not equal to 0 

table attributes columnalign right center left columnspacing 0px end attributes row cell open parentheses 5 a cubed b to the power of negative 2 end exponent close parentheses to the power of 4 over open parentheses 5 a to the power of negative 4 end exponent b to the power of negative 5 end exponent close parentheses to the power of negative 2 end exponent end cell equals cell fraction numerator 5 to the power of 4 times a to the power of open parentheses 3 cross times 4 close parentheses end exponent times b to the power of open parentheses negative 2 cross times 4 close parentheses end exponent over denominator 5 to the power of negative 2 end exponent times a to the power of open parentheses negative 4 cross times open parentheses negative 2 close parentheses close parentheses end exponent times b to the power of open parentheses negative 5 cross times open parentheses negative 2 close parentheses close parentheses end exponent end fraction end cell row blank equals cell fraction numerator 5 to the power of 4 times a to the power of 12 times b to the power of negative 8 end exponent over denominator 5 to the power of negative 2 end exponent times a to the power of 8 times b to the power of 10 end fraction end cell row blank equals cell 5 to the power of 4 minus open parentheses negative 2 close parentheses end exponent times a to the power of 12 minus 8 end exponent times b to the power of negative 8 minus 10 end exponent end cell row blank equals cell 5 to the power of 6 a to the power of 4 b to the power of negative 18 end exponent end cell end table 

Dengan demikian, bentuk sederhana dari open parentheses 5 a cubed b to the power of negative 2 end exponent close parentheses to the power of 4 over open parentheses 5 a to the power of negative 4 end exponent b to the power of negative 5 end exponent close parentheses to the power of negative 2 end exponent adalah Error converting from MathML to accessible text..

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