Question

~QUIZ~
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Soal:
[tex](\frac{2}{5})^{-3} = . . . ?[/tex]
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Syarat untuk menjawab soal :
● Dilarang jawaban berupa komentar spam atau asal²an.
● Dilarang copas jawaban dari google.
● Jawabannya harus disertai dengan penjelasan yang masuk akal.
● Gunakanlah kata-kata jawabanmu sendiri yang baik dan benar.

Answer 1

Verified answer

[tex]\sf \bf \sf (\frac{2}{5})^{-3}[/tex]

[tex]\sf \bf \sf \frac{1}{(\frac{2}{5})^{3}}[/tex]

[tex]\sf \bf \sf \frac{1}{\frac{2}{5} \times \frac{2}{5} \times \frac{2}{5}}[/tex]

[tex]\sf \bf \sf \frac{1}{\frac{2 \times 2 \times 2}{5 \times 5 \times 5}}[/tex]

[tex]\sf \bf \sf \frac{1}{\frac{4 \times 2}{25 \times 5}}[/tex]

[tex]\sf \bf \sf \frac{1}{\frac{8}{125}}[/tex]

[tex]\sf \bf \sf 1 \times \frac{125}{8}[/tex]

[tex]\bold{\underline{\boxed{\pink{\sf \bf \tt 15 \frac{5}{8}}}}}[/tex]

Answer 2

⅖-³ =

= 1/⅖³

= 1/(⅖ × ⅖ × ⅖)

= 1(4/25 × ⅖)

= 1/(8/125)

= 1 ÷ 8/125

= 1 × 125/8

= 125/8

= 15,625