Write the expression using a single exponent.
–4^7(4^7)
–4^4

–4^11....correct

4^11

–16^11

part 2 of it is
5^9/5^3=5a
a=_____ ........... 6

Part 3 is (6^2)^7
6^5
6^9
6^14
6^49....correct