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Pertanyaan

Hasil dari begin mathsize 14px style fraction numerator 2 cubed cross times 2 to the power of 5 over denominator 2 to the power of 10 end fraction end style adalah ...

  1. begin mathsize 14px style 2 to the power of 5 end style 

  2. begin mathsize 14px style 2 squared end style 

  3. begin mathsize 14px style 2 to the power of negative 2 end exponent end style 

  4. begin mathsize 14px style 2 to the power of negative 5 end exponent end style 

Pembahasan Soal:

Berdasarkan sifat pembagian dan perkalian bilangan berpangkat:

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell a to the power of m over a to the power of n end cell equals cell a to the power of m minus n end exponent end cell row cell a to the power of m cross times a to the power of n end cell equals cell a to the power of m plus n end exponent end cell end table end style  

dengan demikian,

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell fraction numerator 2 cubed cross times 2 to the power of 5 over denominator 2 to the power of 10 end fraction end cell equals cell 2 to the power of 3 plus 5 end exponent over 2 to the power of 10 end cell row blank equals cell 2 to the power of 8 over 2 to the power of 10 end cell row blank equals cell 2 to the power of 8 minus 10 end exponent end cell row blank equals cell 2 to the power of negative 2 end exponent end cell end table end style    

Oleh karena itu, jawaban yang benar adalah C.

Pembahasan terverifikasi oleh Roboguru

Terakhir diupdate 15 Maret 2021

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