Pertanyaan

( − 2 5 3 ) 3 = ....

$(- 2 \frac{3}{5})^{3} = ....$

A. Nadhira

Master Teacher

Mahasiswa/Alumni Universitas Negeri Malang

Jawaban terverifikasi

Pembahasan

Perhatikan bahwa Selanjutnya, dengan Maka

Perhatikan bahwa

$begin mathsize 14px style negative 2 3 over 5 equals negative fraction numerator 2 cross times 5 plus 3 over denominator 5 end fraction equals negative fraction numerator 10 plus 3 over denominator 5 end fraction equals negative 13 over 5 end style$

Selanjutnya, dengan

Maka

$begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell open parentheses negative 2 3 over 5 close parentheses cubed end cell equals cell open parentheses negative 13 over 5 close parentheses cubed end cell row blank equals cell open parentheses negative 13 over 5 close parentheses cross times open parentheses negative 13 over 5 close parentheses cross times open parentheses negative 13 over 5 close parentheses end cell row blank equals cell negative 13 cubed over 5 cubed end cell row blank equals cell negative fraction numerator 2.197 over denominator 125 end fraction end cell row blank equals cell negative 17 72 over 125 end cell end table end style$