Question

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Answer 1

Use x^a^b = x^(a*b)

This simplifies your equation significantly. Can you work it out then ?

Answer 2

Is there a multiplication sign or a dot beween -2 and y in your question ?

Answer 3

There are exponets @AkashdeepDeb

Answer 4

2x^-2 . y^-2
Is this the question?

Answer 5

:)

Answer 6

Anything powered a negative a number in the denominator should be taken up and powered by the positive of that.
Getting this statemtn?

Answer 7

So!

Answer 8

Say
These are some laws of exponenets!! :D