Question

simplify and express the result in power nation with positive exponents

Answer 1

hey mate here is your answer

1)-4^5×-4^-10
=-4^5-10
=4^-5

2)1/2^3=2^-3 hole square=2^-6

3)2^5×2^6=2^11

4)5^-3×5^8=5^5

=5^5×5^-3=5^2

please mark as a brainliest