Question

Please help me on this 10 points

Answer 1

n=6

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

n=6

Answer 2

n=6

Explanation:

given
`(7^9)/(7^n)`=7^3

`(a^m)/(a^n)`=a^(m-n)

here a=7, m=9, n=n

7^(9-n)=7^3

9-n=3

n=9-3=6

n=6 answer