This is for people who want points

1 Use Negative Power Rule:

x

−

a

=

1

x

a

x

​−a

​​ =

​x

​a

​​

​

​1

​​

1

2

5

×

2

8

​2

​5

​​

​

​1

​​ ×2

​8

​​

2 Simplify

2

5

2

​5

​​  to

3

2

32

1

3

2

×

2

8

​32

​

​1

​​ ×2

​8

​​

3 Simplify

2

8

2

​8

​​  to

2

5

6

256

1

3

2

×

2

5

6

​32

​

​1

​​ ×256

4 Simplify

2

5

6

3

2

​32

​

​256

​​

5 Simplify

8

8

Now. The answer is A. Because:

x

−

a

=

1

x

a

x

​−a

​​ =

​x

​a

​​

​

​1

​​

2

2

1

2

​

​2

​

​1

​​

​

​2

​2

​​

​​

2 Simplify

2

2

2

​2

​​  to

4

4

4

1

2

​

​2

​

​1

​​

​

​4

​​

3 Invert and multiply

4

×

2

4×2

4 Simplify

8

8

So answer to your question is:

A

it is b)

hope this : )

step-by-step explanation: