melodysprecherpelctt
melodysprecherpelctt melodysprecherpelctt
  • 17-09-2018
  • Mathematics
contestada

HELP FAST 20 PTS! Simply (- 6/5)^3
A) 216/125
B) 18/15
C) - 18/15
D) - 216/125

Respuesta :

KingJupiter
KingJupiter KingJupiter
  • 17-09-2018

Hi,

Answer: D) -216/125

This can be easily solved in 7 easy steps!

My Numerical work:

1. (-6 / 5) ^3

2. (-6 / 5)^3

3. (-6 / 5) * (-6 / 5) * ( -6 / 5)

4. (-6) * (-6) * (-6) / 5 * 5 * 5

5. (-6)^3 / 5^3

6. -216 / 125

As a decimal it would be:

7. -1.728

I Hope I Helped!


Answer Link
gmany
gmany gmany
  • 17-09-2018

[tex]\left(-\dfrac{6}{5}\right)^3=-\dfrac{6^3}{5^3}=-\dfrac{216}{125}\to D\\\\Used:\\\\\left(\dfrac{a}{b}\right)^n=\dfrac{a^n}{b^n}[/tex]

Answer Link

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