Answer:
[tex]\huge\boxed{5^6\times5^{-3}=5^3=5\times5\times5=125}[/tex]
Step-by-step explanation:
[tex]\text{Use}\ a^n\times a^m=a^{n+m}\\\\5^6\times5^{-3}=5^{6+(-3)}=5^{6-3}=5^3=5\times5\times5=125[/tex]
