Roboguru

Hitunglah operasi bilangan di bawah ini! a. .

Pertanyaan

Hitunglah operasi bilangan di bawah ini!

a. begin mathsize 14px style 12 cubed cross times 4 cubed space colon space 8 cubed end style.

Pembahasan Soal:

Gunakan sifat:

begin mathsize 14px style a to the power of m cross times a to the power of n equals a to the power of m plus n end exponent a to the power of m space colon space a to the power of n equals a to the power of m minus 1 end exponent open parentheses a to the power of m close parentheses to the power of n equals a to the power of m cross times n end exponent end style 

Perhatikan perhitungan berikut.

begin mathsize 14px style table attributes columnalign right center left columnspacing 2px end attributes row cell 12 cubed cross times 4 cubed space colon space 8 cubed end cell equals cell fraction numerator 12 cubed cross times 4 cubed over denominator 8 cubed end fraction end cell row blank equals cell fraction numerator open parentheses 2 squared cross times 3 close parentheses cubed cross times open parentheses 2 squared close parentheses cubed over denominator open parentheses 2 cubed close parentheses cubed end fraction end cell row blank equals cell fraction numerator 2 to the power of 6 cross times 3 cubed cross times 2 to the power of 6 over denominator 2 to the power of 9 end fraction end cell row blank equals cell fraction numerator 2 to the power of 6 plus 6 end exponent cross times 3 cubed over denominator 2 to the power of 9 end fraction end cell row blank equals cell fraction numerator 2 to the power of 12 cross times 3 cubed over denominator 2 to the power of 9 end fraction end cell row blank equals cell 2 to the power of 12 minus 9 end exponent cross times 3 cubed end cell row blank equals cell 2 cubed cross times 3 cubed end cell row blank equals cell 8 cross times 27 end cell row blank equals 216 end table end style 

Pembahasan terverifikasi oleh Roboguru

Terakhir diupdate 20 Mei 2021

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