Answer :
[tex]\frac{a^b}{a^c}=a^{b-c}[/tex]
Applying the above property to this case:
[tex]\frac{d^8}{d^3}=d^{8-3}=d^5[/tex]Applying the above property to this case:
[tex]\frac{d^8}{d^3}=d^{8-3}=d^5[/tex]