Answer:
n=6
Step-by-step explanation:
in indices ÷ means -
so
9-n=3
collect like terms
-n=3+(-9)
-n= 3-9
-n= -6
divide both sides by -1
-n/-1 = -6/-1
given [tex]\frac{7^9}{7^n}[/tex]=7^3
[tex]\frac{a^m}{a^n}[/tex]=a^(m-n)
here a=7, m=9, n=n
7^(9-n)=7^3
n=9-3=6
n=6 answer
