Question

Which expression has the same value as –y^–4?

Answer 1

Answer is b

–y^–4 = – 1/y^4

hope that helps

Answer 2

Answer:

$-\frac{1}{y^{4}}$

Step-by-step explanation:

we have

$-y^{-4}$

Remember that

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

so

$-y^{-4}=-\frac{1}{y^{4}}$