princesspayton9
princesspayton9 princesspayton9
  • 01-10-2017
  • Mathematics
contestada

Please help me! And can you explain how you got that answer please?

Please help me And can you explain how you got that answer please class=

Respuesta :

Catya
Catya Catya
  • 01-10-2017
The answer x = -3 is correct ; not really any mistakes made but they do seem to skip a step from 8^(-1) to 2^(-3) if that is confusing you.

8 = 2^(3) 
so
(8)^(-1) = (2^3)^(-1) = 2^(3*-1) = 2^(-3)
Answer Link

Otras preguntas

2. Fear is an example of conflict. a. internal b. external
Which statement describes the energy involved in diffusion? O Diffusion requires energy in all cases. O Diffusion requires energy only to move material in throu
2. Which of the following is NOT indicated by uneven tire tread? A. Low fuel B. Suspension or alignment problems C. Steering problems D. Improper tire pressure
What are the scientific method steps?
which of the following set prefixes are in decreasing order​
-4 1/5 - (-13 1/10)=
A believer in monotheism
A boat sailed 560 km in 8 hrs. It took three hours to travel the first 150 km. What was it’s average speed for the remaining journey?
If a nursing assistant is unsure about a task that is delegated to him, what should he do?
Why did some people call the War of 1812 "the Second American Revolution"? It proved the strength and stability of the United States. B It changed the boundarie