Question

Which is equivalent to x3y–7? x cubed y Superscript 7 StartFraction x cubed Over y Superscript 7 EndFraction StartFraction x cubed Over y Superscript negative 7 EndFraction StartFraction y Superscript 7 Over x cubed EndFraction

Answer 1

Answer:

$x^3y^{-7} = \frac{x^3}{y^7}$

Step-by-step explanation:

Given

$x^3y^{-7}$

Required

The equivalent

We have:

$x^3y^{-7}$

Apply the following rule of exponents

$a^{-b} = \frac{1}{a^b}$

So, we have:

$x^3y^{-7} = x^3 * \frac{1}{y^7}$

$x^3y^{-7} = \frac{x^3}{y^7}$