Question

Express 4^-3 as a power with the base 2

Answer 1

4^{-3}

=2^{2(-3)}

=2^(-6)

Answer 2

4^-3=1/4^3 
4^3 can be simplified to 64 now have to prime factorize 64
=2^6
so now the base is 2^6
so 4^-3
=1/2^6
please write the / in fraction form, not this way.
HOPE IT HELPS
WITH REGARDS 
ANKITA