Question

how do i simplify (2x)^-3

Answer 1

Use this property:
\[a ^{-n}=\frac{1}{a^n}\]

Answer 2

I am confused can you explain

Answer 3

I will show you an example:
\[(3x)^{-4}=\frac{1}{(3x)^4}=\frac{1}{81x^4}\]

Answer 4

Got it! (2x)^-3 =1/(2x)^3 =1/8x^3

Answer 5

Perfect!! Good job!!

Answer 6

Thanks

Answer 7

yw