Question

I NEED THE ANSWER QUICK

Answer 1

9514 1404 393

Answer:

  4^0

Step-by-step explanation:

The rules of exponents are ...

  (a^b)(a^c) = a^(b+c)

  (a^b)/(a^c) = a^(b-c)

So, your expression simplifies to ...

  $4^5\times4^{-7}\div4^{-2}=4^{5-7-(-2)}=\boxed{4^0}$