Question

I do not understand can someone explain it for me?
$\frac{a^{-b} }{a^{a} } *a^{2} = a^{-a-b+2}$

Answer 1

Answer:

whenever the denominator goes up to multiply it's power become negative

Answer 2

Answer:

thats the exponential identity that if bases are equal and powers diff. in case of division we subtract powers and in case of multiplication we add them together