Răspuns:
8^43=(2^3)^43=2^(3*43)=2^129
16^50=(2^4)^50=2^200
a=2^129*2^200:2^29=2^(120+200-29)=2^300
(a^m)^n=a^(m*n)
a^m:a^n=a^(m+n)
a^m:a^n=a^(m-n)
